Finding the Fourth Proportional to 1,031,220.57, 1,423,062.97 and 572,308.49
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Solution
The fourth proportional to 1,031,220.57, 1,423,062.97 and 572,308.49 is: 789,773.83
Step by Step Solution
- Step 1: Write the proportion equation
1,031,220.57 : 1,423,062.97 = 572,308.49 : x - Step 2: Convert to fraction form
1,031,220.57/1,423,062.97 = 572,308.49/x - Step 3: Cross multiply
1,031,220.57x = 1,423,062.97 × 572,308.49 - Step 4: Simplify right side
1,031,220.57x = 814,431,019,535.62 - Step 5: Solve for x
x = 814,431,019,535.62/1,031,220.57 - Step 6: Final answer
x = 789,773.83
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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.