Home / 1,332,379.58-1,998,550.86-321,493.10

Finding the Fourth Proportional to 1,332,379.58, 1,998,550.86 and 321,493.10

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Solution

The fourth proportional to 1,332,379.58, 1,998,550.86 and 321,493.10 is: 482,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,379.58 : 1,998,550.86 = 321,493.10 : x
  2. Step 2: Convert to fraction form
    1,332,379.58/1,998,550.86 = 321,493.10/x
  3. Step 3: Cross multiply
    1,332,379.58x = 1,998,550.86 × 321,493.10
  4. Step 4: Simplify right side
    1,332,379.58x = 642,520,311,489.07
  5. Step 5: Solve for x
    x = 642,520,311,489.07/1,332,379.58
  6. Step 6: Final answer
    x = 482,235.18

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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.