Home / 1,023,780.24-1,535,012.88-425,154.48

Finding the Fourth Proportional to 1,023,780.24, 1,535,012.88 and 425,154.48

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Solution

The fourth proportional to 1,023,780.24, 1,535,012.88 and 425,154.48 is: 637,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,780.24 : 1,535,012.88 = 425,154.48 : x
  2. Step 2: Convert to fraction form
    1,023,780.24/1,535,012.88 = 425,154.48/x
  3. Step 3: Cross multiply
    1,023,780.24x = 1,535,012.88 × 425,154.48
  4. Step 4: Simplify right side
    1,023,780.24x = 652,617,602,789.70
  5. Step 5: Solve for x
    x = 652,617,602,789.70/1,023,780.24
  6. Step 6: Final answer
    x = 637,458.68

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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.