Home / 1,569,031.20-2,353,546.80-431,791.20

Finding the Fourth Proportional to 1,569,031.20, 2,353,546.80 and 431,791.20

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Solution

The fourth proportional to 1,569,031.20, 2,353,546.80 and 431,791.20 is: 647,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,031.20 : 2,353,546.80 = 431,791.20 : x
  2. Step 2: Convert to fraction form
    1,569,031.20/2,353,546.80 = 431,791.20/x
  3. Step 3: Cross multiply
    1,569,031.20x = 2,353,546.80 × 431,791.20
  4. Step 4: Simplify right side
    1,569,031.20x = 1,016,240,797,028.16
  5. Step 5: Solve for x
    x = 1,016,240,797,028.16/1,569,031.20
  6. Step 6: Final answer
    x = 647,686.80

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Similar ratio
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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.