Home / 1,338,866.46-2,008,299.66-392,237.16

Finding the Fourth Proportional to 1,338,866.46, 2,008,299.66 and 392,237.16

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Solution

The fourth proportional to 1,338,866.46, 2,008,299.66 and 392,237.16 is: 588,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,866.46 : 2,008,299.66 = 392,237.16 : x
  2. Step 2: Convert to fraction form
    1,338,866.46/2,008,299.66 = 392,237.16/x
  3. Step 3: Cross multiply
    1,338,866.46x = 2,008,299.66 × 392,237.16
  4. Step 4: Simplify right side
    1,338,866.46x = 787,729,755,067.37
  5. Step 5: Solve for x
    x = 787,729,755,067.37/1,338,866.46
  6. Step 6: Final answer
    x = 588,355.73

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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.