Finding the Fourth Proportional to 1,031,350.65, 1,423,241.82 and 572,438.46
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Solution
The fourth proportional to 1,031,350.65, 1,423,241.82 and 572,438.46 is: 789,952.82
Step by Step Solution
- Step 1: Write the proportion equation
1,031,350.65 : 1,423,241.82 = 572,438.46 : x - Step 2: Convert to fraction form
1,031,350.65/1,423,241.82 = 572,438.46/x - Step 3: Cross multiply
1,031,350.65x = 1,423,241.82 × 572,438.46 - Step 4: Simplify right side
1,031,350.65x = 814,718,355,648.40 - Step 5: Solve for x
x = 814,718,355,648.40/1,031,350.65 - Step 6: Final answer
x = 789,952.82
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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.