Home / 1,454,721-2,182,159.26-457,526.76

Finding the Fourth Proportional to 1,454,721, 2,182,159.26 and 457,526.76

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Solution

The fourth proportional to 1,454,721, 2,182,159.26 and 457,526.76 is: 686,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,721 : 2,182,159.26 = 457,526.76 : x
  2. Step 2: Convert to fraction form
    1,454,721/2,182,159.26 = 457,526.76/x
  3. Step 3: Cross multiply
    1,454,721x = 2,182,159.26 × 457,526.76
  4. Step 4: Simplify right side
    1,454,721x = 998,396,256,031.80
  5. Step 5: Solve for x
    x = 998,396,256,031.80/1,454,721
  6. Step 6: Final answer
    x = 686,314.60

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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.