Home / 1,647,276.20-2,469,747.90-636,007.40

Finding the Fourth Proportional to 1,647,276.20, 2,469,747.90 and 636,007.40

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Solution

The fourth proportional to 1,647,276.20, 2,469,747.90 and 636,007.40 is: 953,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,276.20 : 2,469,747.90 = 636,007.40 : x
  2. Step 2: Convert to fraction form
    1,647,276.20/2,469,747.90 = 636,007.40/x
  3. Step 3: Cross multiply
    1,647,276.20x = 2,469,747.90 × 636,007.40
  4. Step 4: Simplify right side
    1,647,276.20x = 1,570,777,940,534.46
  5. Step 5: Solve for x
    x = 1,570,777,940,534.46/1,647,276.20
  6. Step 6: Final answer
    x = 953,560.76

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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.