Home / 1,478,517.30-2,217,441.42-679,030.29

Finding the Fourth Proportional to 1,478,517.30, 2,217,441.42 and 679,030.29

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Solution

The fourth proportional to 1,478,517.30, 2,217,441.42 and 679,030.29 is: 1,018,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,517.30 : 2,217,441.42 = 679,030.29 : x
  2. Step 2: Convert to fraction form
    1,478,517.30/2,217,441.42 = 679,030.29/x
  3. Step 3: Cross multiply
    1,478,517.30x = 2,217,441.42 × 679,030.29
  4. Step 4: Simplify right side
    1,478,517.30x = 1,505,709,890,480.61
  5. Step 5: Solve for x
    x = 1,505,709,890,480.61/1,478,517.30
  6. Step 6: Final answer
    x = 1,018,391.80

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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.