Home / 1,031,227.34-1,546,915.52-431,585.15

Finding the Fourth Proportional to 1,031,227.34, 1,546,915.52 and 431,585.15

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Solution

The fourth proportional to 1,031,227.34, 1,546,915.52 and 431,585.15 is: 647,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,227.34 : 1,546,915.52 = 431,585.15 : x
  2. Step 2: Convert to fraction form
    1,031,227.34/1,546,915.52 = 431,585.15/x
  3. Step 3: Cross multiply
    1,031,227.34x = 1,546,915.52 × 431,585.15
  4. Step 4: Simplify right side
    1,031,227.34x = 667,625,760,080.91
  5. Step 5: Solve for x
    x = 667,625,760,080.91/1,031,227.34
  6. Step 6: Final answer
    x = 647,408.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.