Finding the Fourth Proportional to 1,125,760.70, 1,553,550.36 and 616,463.04
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Solution
The fourth proportional to 1,125,760.70, 1,553,550.36 and 616,463.04 is: 850,719.32
Step by Step Solution
- Step 1: Write the proportion equation
1,125,760.70 : 1,553,550.36 = 616,463.04 : x - Step 2: Convert to fraction form
1,125,760.70/1,553,550.36 = 616,463.04/x - Step 3: Cross multiply
1,125,760.70x = 1,553,550.36 × 616,463.04 - Step 4: Simplify right side
1,125,760.70x = 957,706,377,718.70 - Step 5: Solve for x
x = 957,706,377,718.70/1,125,760.70 - Step 6: Final answer
x = 850,719.32
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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.