Finding the Fourth Proportional to 1,031,393.05, 1,423,251.07 and 572,471.48
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Solution
The fourth proportional to 1,031,393.05, 1,423,251.07 and 572,471.48 is: 789,971.05
Step by Step Solution
- Step 1: Write the proportion equation
1,031,393.05 : 1,423,251.07 = 572,471.48 : x - Step 2: Convert to fraction form
1,031,393.05/1,423,251.07 = 572,471.48/x - Step 3: Cross multiply
1,031,393.05x = 1,423,251.07 × 572,471.48 - Step 4: Simplify right side
1,031,393.05x = 814,770,648,581.43 - Step 5: Solve for x
x = 814,770,648,581.43/1,031,393.05 - Step 6: Final answer
x = 789,971.05
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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.