eng Ansari Education and Research Society Journal of Ultra Scientist of Physical Sciences January 2021 33 1 1 4 http://dx.doi.org/10.22147/jusps-B/330101 1520 article Inequalities Among Related Quadruple of Fibonacci Numbers MANJEET SINGH TEETH 1 SANJAY HARNE 2 Christian Eminent College, Indore (India) Government Mata Jija Bai Girls PG College, Indore (India) <p>In this paper we consider Fibonacci Inequalities and relate them through the sequence {S<sub>r</sub>}<sup>n</sup><sub>r=1</sub> defined by&nbsp;S<sub>r</sub>&nbsp;= F<sub>r&nbsp;</sub>F<sub>n+1-r</sub> F<sub>n+2-r</sub> F<sub>n+3-r</sub>&nbsp;&nbsp;where n is a fixed natural number and &nbsp;F<sub>1</sub> F<sub>2</sub> F<sub>3</sub> ... are the ordinary Fibonacci numbers.</p> https://ultraphysicalsciences.org/paper/1520/ Fibonacci Number Fibonacc Sequence Mathematical Subject Classification: 11B39