Home / 1,163,338.20-1,745,046.18-321,819.48

Finding the Fourth Proportional to 1,163,338.20, 1,745,046.18 and 321,819.48

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Solution

The fourth proportional to 1,163,338.20, 1,745,046.18 and 321,819.48 is: 482,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,338.20 : 1,745,046.18 = 321,819.48 : x
  2. Step 2: Convert to fraction form
    1,163,338.20/1,745,046.18 = 321,819.48/x
  3. Step 3: Cross multiply
    1,163,338.20x = 1,745,046.18 × 321,819.48
  4. Step 4: Simplify right side
    1,163,338.20x = 561,589,854,223.59
  5. Step 5: Solve for x
    x = 561,589,854,223.59/1,163,338.20
  6. Step 6: Final answer
    x = 482,739.98

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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.