Home / 1,780,320-2,670,900-582,237.60

Finding the Fourth Proportional to 1,780,320, 2,670,900 and 582,237.60

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Solution

The fourth proportional to 1,780,320, 2,670,900 and 582,237.60 is: 873,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,320 : 2,670,900 = 582,237.60 : x
  2. Step 2: Convert to fraction form
    1,780,320/2,670,900 = 582,237.60/x
  3. Step 3: Cross multiply
    1,780,320x = 2,670,900 × 582,237.60
  4. Step 4: Simplify right side
    1,780,320x = 1,555,098,405,840
  5. Step 5: Solve for x
    x = 1,555,098,405,840/1,780,320
  6. Step 6: Final answer
    x = 873,493.76

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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.