Finding the Fourth Proportional to 1,332,489.40, 1,995,531.26 and 762,141.96
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Solution
The fourth proportional to 1,332,489.40, 1,995,531.26 and 762,141.96 is: 1,141,381.02
Step by Step Solution
- Step 1: Write the proportion equation
1,332,489.40 : 1,995,531.26 = 762,141.96 : x - Step 2: Convert to fraction form
1,332,489.40/1,995,531.26 = 762,141.96/x - Step 3: Cross multiply
1,332,489.40x = 1,995,531.26 × 762,141.96 - Step 4: Simplify right side
1,332,489.40x = 1,520,878,105,737.67 - Step 5: Solve for x
x = 1,520,878,105,737.67/1,332,489.40 - Step 6: Final answer
x = 1,141,381.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.