Home / 1,332,332.82-1,998,480.64-321,446.28

Finding the Fourth Proportional to 1,332,332.82, 1,998,480.64 and 321,446.28

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Solution

The fourth proportional to 1,332,332.82, 1,998,480.64 and 321,446.28 is: 482,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,332.82 : 1,998,480.64 = 321,446.28 : x
  2. Step 2: Convert to fraction form
    1,332,332.82/1,998,480.64 = 321,446.28/x
  3. Step 3: Cross multiply
    1,332,332.82x = 1,998,480.64 × 321,446.28
  4. Step 4: Simplify right side
    1,332,332.82x = 642,404,167,380.02
  5. Step 5: Solve for x
    x = 642,404,167,380.02/1,332,332.82
  6. Step 6: Final answer
    x = 482,164.93

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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.