Home / 1,332,368.10-1,998,533.67-321,481.62

Finding the Fourth Proportional to 1,332,368.10, 1,998,533.67 and 321,481.62

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Solution

The fourth proportional to 1,332,368.10, 1,998,533.67 and 321,481.62 is: 482,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,368.10 : 1,998,533.67 = 321,481.62 : x
  2. Step 2: Convert to fraction form
    1,332,368.10/1,998,533.67 = 321,481.62/x
  3. Step 3: Cross multiply
    1,332,368.10x = 1,998,533.67 × 321,481.62
  4. Step 4: Simplify right side
    1,332,368.10x = 642,491,840,650.59
  5. Step 5: Solve for x
    x = 642,491,840,650.59/1,332,368.10
  6. Step 6: Final answer
    x = 482,217.97

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1.5x scale

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.