Home / 1,617,227.10-2,425,840.65-419,139.90

Finding the Fourth Proportional to 1,617,227.10, 2,425,840.65 and 419,139.90

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Solution

The fourth proportional to 1,617,227.10, 2,425,840.65 and 419,139.90 is: 628,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,227.10 : 2,425,840.65 = 419,139.90 : x
  2. Step 2: Convert to fraction form
    1,617,227.10/2,425,840.65 = 419,139.90/x
  3. Step 3: Cross multiply
    1,617,227.10x = 2,425,840.65 × 419,139.90
  4. Step 4: Simplify right side
    1,617,227.10x = 1,016,766,607,456.94
  5. Step 5: Solve for x
    x = 1,016,766,607,456.94/1,617,227.10
  6. Step 6: Final answer
    x = 628,709.85

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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.