Home / 802,123.20-1,203,140.52-269,589.24

Finding the Fourth Proportional to 802,123.20, 1,203,140.52 and 269,589.24

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Solution

The fourth proportional to 802,123.20, 1,203,140.52 and 269,589.24 is: 404,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,123.20 : 1,203,140.52 = 269,589.24 : x
  2. Step 2: Convert to fraction form
    802,123.20/1,203,140.52 = 269,589.24/x
  3. Step 3: Cross multiply
    802,123.20x = 1,203,140.52 × 269,589.24
  4. Step 4: Simplify right side
    802,123.20x = 324,353,738,400.01
  5. Step 5: Solve for x
    x = 324,353,738,400.01/802,123.20
  6. Step 6: Final answer
    x = 404,368.98

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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.