Finding the Fourth Proportional to 1,031,394.28, 1,423,505.94 and 649,540.84
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Solution
The fourth proportional to 1,031,394.28, 1,423,505.94 and 649,540.84 is: 896,480.87
Step by Step Solution
- Step 1: Write the proportion equation
1,031,394.28 : 1,423,505.94 = 649,540.84 : x - Step 2: Convert to fraction form
1,031,394.28/1,423,505.94 = 649,540.84/x - Step 3: Cross multiply
1,031,394.28x = 1,423,505.94 × 649,540.84 - Step 4: Simplify right side
1,031,394.28x = 924,625,244,012.59 - Step 5: Solve for x
x = 924,625,244,012.59/1,031,394.28 - Step 6: Final answer
x = 896,480.87
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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.