Finding the Fourth Proportional to 1,132,906.87, 1,563,452.74 and 616,635.81
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Solution
The fourth proportional to 1,132,906.87, 1,563,452.74 and 616,635.81 is: 850,979.88
Step by Step Solution
- Step 1: Write the proportion equation
1,132,906.87 : 1,563,452.74 = 616,635.81 : x - Step 2: Convert to fraction form
1,132,906.87/1,563,452.74 = 616,635.81/x - Step 3: Cross multiply
1,132,906.87x = 1,563,452.74 × 616,635.81 - Step 4: Simplify right side
1,132,906.87x = 964,080,946,726.62 - Step 5: Solve for x
x = 964,080,946,726.62/1,132,906.87 - Step 6: Final answer
x = 850,979.88
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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.