Home / 1,332,379.06-1,998,550.13-321,492.58

Finding the Fourth Proportional to 1,332,379.06, 1,998,550.13 and 321,492.58

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Solution

The fourth proportional to 1,332,379.06, 1,998,550.13 and 321,492.58 is: 482,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,379.06 : 1,998,550.13 = 321,492.58 : x
  2. Step 2: Convert to fraction form
    1,332,379.06/1,998,550.13 = 321,492.58/x
  3. Step 3: Cross multiply
    1,332,379.06x = 1,998,550.13 × 321,492.58
  4. Step 4: Simplify right side
    1,332,379.06x = 642,519,037,553.04
  5. Step 5: Solve for x
    x = 642,519,037,553.04/1,332,379.06
  6. Step 6: Final answer
    x = 482,234.42

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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.