Finding the Fourth Proportional to 1,119,949.03, 1,680,484.24 and 512,736.17
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Solution
The fourth proportional to 1,119,949.03, 1,680,484.24 and 512,736.17 is: 769,360.96
Step by Step Solution
- Step 1: Write the proportion equation
1,119,949.03 : 1,680,484.24 = 512,736.17 : x - Step 2: Convert to fraction form
1,119,949.03/1,680,484.24 = 512,736.17/x - Step 3: Cross multiply
1,119,949.03x = 1,680,484.24 × 512,736.17 - Step 4: Simplify right side
1,119,949.03x = 861,645,057,805.09 - Step 5: Solve for x
x = 861,645,057,805.09/1,119,949.03 - Step 6: Final answer
x = 769,360.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.