Home / 1,631,562.80-2,447,122.76-478,778.69

Finding the Fourth Proportional to 1,631,562.80, 2,447,122.76 and 478,778.69

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Solution

The fourth proportional to 1,631,562.80, 2,447,122.76 and 478,778.69 is: 718,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,562.80 : 2,447,122.76 = 478,778.69 : x
  2. Step 2: Convert to fraction form
    1,631,562.80/2,447,122.76 = 478,778.69/x
  3. Step 3: Cross multiply
    1,631,562.80x = 2,447,122.76 × 478,778.69
  4. Step 4: Simplify right side
    1,631,562.80x = 1,171,630,229,301.98
  5. Step 5: Solve for x
    x = 1,171,630,229,301.98/1,631,562.80
  6. Step 6: Final answer
    x = 718,103.06

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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.