Home / 1,332,380.06-1,998,551.63-321,493.58

Finding the Fourth Proportional to 1,332,380.06, 1,998,551.63 and 321,493.58

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Solution

The fourth proportional to 1,332,380.06, 1,998,551.63 and 321,493.58 is: 482,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,380.06 : 1,998,551.63 = 321,493.58 : x
  2. Step 2: Convert to fraction form
    1,332,380.06/1,998,551.63 = 321,493.58/x
  3. Step 3: Cross multiply
    1,332,380.06x = 1,998,551.63 × 321,493.58
  4. Step 4: Simplify right side
    1,332,380.06x = 642,521,518,343.54
  5. Step 5: Solve for x
    x = 642,521,518,343.54/1,332,380.06
  6. Step 6: Final answer
    x = 482,235.92

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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.