Home / 1,380,780.12-2,071,452.60-582,061.80

Finding the Fourth Proportional to 1,380,780.12, 2,071,452.60 and 582,061.80

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Solution

The fourth proportional to 1,380,780.12, 2,071,452.60 and 582,061.80 is: 873,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,780.12 : 2,071,452.60 = 582,061.80 : x
  2. Step 2: Convert to fraction form
    1,380,780.12/2,071,452.60 = 582,061.80/x
  3. Step 3: Cross multiply
    1,380,780.12x = 2,071,452.60 × 582,061.80
  4. Step 4: Simplify right side
    1,380,780.12x = 1,205,713,428,970.68
  5. Step 5: Solve for x
    x = 1,205,713,428,970.68/1,380,780.12
  6. Step 6: Final answer
    x = 873,211.75

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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.