Finding the Fourth Proportional to 1,276,520.40, 1,761,589.44 and 703,560.96
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Solution
The fourth proportional to 1,276,520.40, 1,761,589.44 and 703,560.96 is: 970,909.32
Step by Step Solution
- Step 1: Write the proportion equation
1,276,520.40 : 1,761,589.44 = 703,560.96 : x - Step 2: Convert to fraction form
1,276,520.40/1,761,589.44 = 703,560.96/x - Step 3: Cross multiply
1,276,520.40x = 1,761,589.44 × 703,560.96 - Step 4: Simplify right side
1,276,520.40x = 1,239,385,557,532.26 - Step 5: Solve for x
x = 1,239,385,557,532.26/1,276,520.40 - Step 6: Final answer
x = 970,909.32
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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.