Finding the Fourth Proportional to 1,441,081.97, 1,988,700.99 and 787,708.88
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Solution
The fourth proportional to 1,441,081.97, 1,988,700.99 and 787,708.88 is: 1,087,042.56
Step by Step Solution
- Step 1: Write the proportion equation
1,441,081.97 : 1,988,700.99 = 787,708.88 : x - Step 2: Convert to fraction form
1,441,081.97/1,988,700.99 = 787,708.88/x - Step 3: Cross multiply
1,441,081.97x = 1,988,700.99 × 787,708.88 - Step 4: Simplify right side
1,441,081.97x = 1,566,517,429,487.79 - Step 5: Solve for x
x = 1,566,517,429,487.79/1,441,081.97 - Step 6: Final answer
x = 1,087,042.56
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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.