Finding the Fourth Proportional to 1,358,691.84, 1,874,949.12 and 755,066.88
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Solution
The fourth proportional to 1,358,691.84, 1,874,949.12 and 755,066.88 is: 1,041,966.94
Step by Step Solution
- Step 1: Write the proportion equation
1,358,691.84 : 1,874,949.12 = 755,066.88 : x - Step 2: Convert to fraction form
1,358,691.84/1,874,949.12 = 755,066.88/x - Step 3: Cross multiply
1,358,691.84x = 1,874,949.12 × 755,066.88 - Step 4: Simplify right side
1,358,691.84x = 1,415,711,982,197.15 - Step 5: Solve for x
x = 1,415,711,982,197.15/1,358,691.84 - Step 6: Final answer
x = 1,041,966.94
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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.