Finding the Fourth Proportional to 1,125,400.28, 1,553,052.48 and 616,102.66
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Solution
The fourth proportional to 1,125,400.28, 1,553,052.48 and 616,102.66 is: 850,221.72
Step by Step Solution
- Step 1: Write the proportion equation
1,125,400.28 : 1,553,052.48 = 616,102.66 : x - Step 2: Convert to fraction form
1,125,400.28/1,553,052.48 = 616,102.66/x - Step 3: Cross multiply
1,125,400.28x = 1,553,052.48 × 616,102.66 - Step 4: Simplify right side
1,125,400.28x = 956,839,764,047.60 - Step 5: Solve for x
x = 956,839,764,047.60/1,125,400.28 - Step 6: Final answer
x = 850,221.72
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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.