Home / 1,253,353.38-1,880,335.44-400,423.92

Finding the Fourth Proportional to 1,253,353.38, 1,880,335.44 and 400,423.92

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Solution

The fourth proportional to 1,253,353.38, 1,880,335.44 and 400,423.92 is: 600,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,353.38 : 1,880,335.44 = 400,423.92 : x
  2. Step 2: Convert to fraction form
    1,253,353.38/1,880,335.44 = 400,423.92/x
  3. Step 3: Cross multiply
    1,253,353.38x = 1,880,335.44 × 400,423.92
  4. Step 4: Simplify right side
    1,253,353.38x = 752,931,287,799.73
  5. Step 5: Solve for x
    x = 752,931,287,799.73/1,253,353.38
  6. Step 6: Final answer
    x = 600,733.44

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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.