Finding the Fourth Proportional to 1,276,796.44, 1,761,991.38 and 703,857.28
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Solution
The fourth proportional to 1,276,796.44, 1,761,991.38 and 703,857.28 is: 971,329.82
Step by Step Solution
- Step 1: Write the proportion equation
1,276,796.44 : 1,761,991.38 = 703,857.28 : x - Step 2: Convert to fraction form
1,276,796.44/1,761,991.38 = 703,857.28/x - Step 3: Cross multiply
1,276,796.44x = 1,761,991.38 × 703,857.28 - Step 4: Simplify right side
1,276,796.44x = 1,240,190,460,110.25 - Step 5: Solve for x
x = 1,240,190,460,110.25/1,276,796.44 - Step 6: Final answer
x = 971,329.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.