Finding the Fourth Proportional to 1,118,680.14, 1,543,770.69 and 609,382.53
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Solution
The fourth proportional to 1,118,680.14, 1,543,770.69 and 609,382.53 is: 840,943.59
Step by Step Solution
- Step 1: Write the proportion equation
1,118,680.14 : 1,543,770.69 = 609,382.53 : x - Step 2: Convert to fraction form
1,118,680.14/1,543,770.69 = 609,382.53/x - Step 3: Cross multiply
1,118,680.14x = 1,543,770.69 × 609,382.53 - Step 4: Simplify right side
1,118,680.14x = 940,746,888,812.05 - Step 5: Solve for x
x = 940,746,888,812.05/1,118,680.14 - Step 6: Final answer
x = 840,943.59
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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.