Home / 1,247,246.10-1,870,869.15-538,658.10

Finding the Fourth Proportional to 1,247,246.10, 1,870,869.15 and 538,658.10

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Solution

The fourth proportional to 1,247,246.10, 1,870,869.15 and 538,658.10 is: 807,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,246.10 : 1,870,869.15 = 538,658.10 : x
  2. Step 2: Convert to fraction form
    1,247,246.10/1,870,869.15 = 538,658.10/x
  3. Step 3: Cross multiply
    1,247,246.10x = 1,870,869.15 × 538,658.10
  4. Step 4: Simplify right side
    1,247,246.10x = 1,007,758,821,687.61
  5. Step 5: Solve for x
    x = 1,007,758,821,687.61/1,247,246.10
  6. Step 6: Final answer
    x = 807,987.15

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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.