Finding the Fourth Proportional to 1,031,218.95, 1,423,060.75 and 572,306.88
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Solution
The fourth proportional to 1,031,218.95, 1,423,060.75 and 572,306.88 is: 789,771.62
Step by Step Solution
- Step 1: Write the proportion equation
1,031,218.95 : 1,423,060.75 = 572,306.88 : x - Step 2: Convert to fraction form
1,031,218.95/1,423,060.75 = 572,306.88/x - Step 3: Cross multiply
1,031,218.95x = 1,423,060.75 × 572,306.88 - Step 4: Simplify right side
1,031,218.95x = 814,427,457,882.96 - Step 5: Solve for x
x = 814,427,457,882.96/1,031,218.95 - Step 6: Final answer
x = 789,771.62
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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.