Home / 1,177,291.20-1,762,000.20-822,997.20

Finding the Fourth Proportional to 1,177,291.20, 1,762,000.20 and 822,997.20

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Solution

The fourth proportional to 1,177,291.20, 1,762,000.20 and 822,997.20 is: 1,231,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,291.20 : 1,762,000.20 = 822,997.20 : x
  2. Step 2: Convert to fraction form
    1,177,291.20/1,762,000.20 = 822,997.20/x
  3. Step 3: Cross multiply
    1,177,291.20x = 1,762,000.20 × 822,997.20
  4. Step 4: Simplify right side
    1,177,291.20x = 1,450,121,230,999.44
  5. Step 5: Solve for x
    x = 1,450,121,230,999.44/1,177,291.20
  6. Step 6: Final answer
    x = 1,231,743.88

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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.