Home / 1,439,007.54-2,157,789.25-479,125.05

Finding the Fourth Proportional to 1,439,007.54, 2,157,789.25 and 479,125.05

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Solution

The fourth proportional to 1,439,007.54, 2,157,789.25 and 479,125.05 is: 718,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,007.54 : 2,157,789.25 = 479,125.05 : x
  2. Step 2: Convert to fraction form
    1,439,007.54/2,157,789.25 = 479,125.05/x
  3. Step 3: Cross multiply
    1,439,007.54x = 2,157,789.25 × 479,125.05
  4. Step 4: Simplify right side
    1,439,007.54x = 1,033,850,882,295.71
  5. Step 5: Solve for x
    x = 1,033,850,882,295.71/1,439,007.54
  6. Step 6: Final answer
    x = 718,447.16

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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.