Finding the Fourth Proportional to 1,062,167.18, 1,593,915.06 and 431,080.99
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Solution
The fourth proportional to 1,062,167.18, 1,593,915.06 and 431,080.99 is: 646,891.09
Step by Step Solution
- Step 1: Write the proportion equation
1,062,167.18 : 1,593,915.06 = 431,080.99 : x - Step 2: Convert to fraction form
1,062,167.18/1,593,915.06 = 431,080.99/x - Step 3: Cross multiply
1,062,167.18x = 1,593,915.06 × 431,080.99 - Step 4: Simplify right side
1,062,167.18x = 687,106,479,672.48 - Step 5: Solve for x
x = 687,106,479,672.48/1,062,167.18 - Step 6: Final answer
x = 646,891.09
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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.