Home / 1,078,489.60-1,617,151.20-447,467.20

Finding the Fourth Proportional to 1,078,489.60, 1,617,151.20 and 447,467.20

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Solution

The fourth proportional to 1,078,489.60, 1,617,151.20 and 447,467.20 is: 670,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,489.60 : 1,617,151.20 = 447,467.20 : x
  2. Step 2: Convert to fraction form
    1,078,489.60/1,617,151.20 = 447,467.20/x
  3. Step 3: Cross multiply
    1,078,489.60x = 1,617,151.20 × 447,467.20
  4. Step 4: Simplify right side
    1,078,489.60x = 723,622,119,440.64
  5. Step 5: Solve for x
    x = 723,622,119,440.64/1,078,489.60
  6. Step 6: Final answer
    x = 670,958.83

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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.