Finding the Fourth Proportional to 1,001,047.84, 1,381,531.09 and 565,545.18
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Solution
The fourth proportional to 1,001,047.84, 1,381,531.09 and 565,545.18 is: 780,500.41
Step by Step Solution
- Step 1: Write the proportion equation
1,001,047.84 : 1,381,531.09 = 565,545.18 : x - Step 2: Convert to fraction form
1,001,047.84/1,381,531.09 = 565,545.18/x - Step 3: Cross multiply
1,001,047.84x = 1,381,531.09 × 565,545.18 - Step 4: Simplify right side
1,001,047.84x = 781,318,248,969.65 - Step 5: Solve for x
x = 781,318,248,969.65/1,001,047.84 - Step 6: Final answer
x = 780,500.41
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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.