Home / 1,498,438.20-2,247,657.30-487,655.40

Finding the Fourth Proportional to 1,498,438.20, 2,247,657.30 and 487,655.40

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Solution

The fourth proportional to 1,498,438.20, 2,247,657.30 and 487,655.40 is: 731,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,438.20 : 2,247,657.30 = 487,655.40 : x
  2. Step 2: Convert to fraction form
    1,498,438.20/2,247,657.30 = 487,655.40/x
  3. Step 3: Cross multiply
    1,498,438.20x = 2,247,657.30 × 487,655.40
  4. Step 4: Simplify right side
    1,498,438.20x = 1,096,082,219,694.42
  5. Step 5: Solve for x
    x = 1,096,082,219,694.42/1,498,438.20
  6. Step 6: Final answer
    x = 731,483.10

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Double scale
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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.