Home / 1,391,500.80-2,087,251.20-444,902.40

Finding the Fourth Proportional to 1,391,500.80, 2,087,251.20 and 444,902.40

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Solution

The fourth proportional to 1,391,500.80, 2,087,251.20 and 444,902.40 is: 667,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,500.80 : 2,087,251.20 = 444,902.40 : x
  2. Step 2: Convert to fraction form
    1,391,500.80/2,087,251.20 = 444,902.40/x
  3. Step 3: Cross multiply
    1,391,500.80x = 2,087,251.20 × 444,902.40
  4. Step 4: Simplify right side
    1,391,500.80x = 928,623,068,282.88
  5. Step 5: Solve for x
    x = 928,623,068,282.88/1,391,500.80
  6. Step 6: Final answer
    x = 667,353.60

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Double scale
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Similar ratio
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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.