Finding the Fourth Proportional to 1,431,151.20, 1,975,175.28 and 923,330.88
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Solution
The fourth proportional to 1,431,151.20, 1,975,175.28 and 923,330.88 is: 1,274,317.02
Step by Step Solution
- Step 1: Write the proportion equation
1,431,151.20 : 1,975,175.28 = 923,330.88 : x - Step 2: Convert to fraction form
1,431,151.20/1,975,175.28 = 923,330.88/x - Step 3: Cross multiply
1,431,151.20x = 1,975,175.28 × 923,330.88 - Step 4: Simplify right side
1,431,151.20x = 1,823,740,329,436.65 - Step 5: Solve for x
x = 1,823,740,329,436.65/1,431,151.20 - Step 6: Final answer
x = 1,274,317.02
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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.