Home / 1,142,436.24-1,576,735.64-729,151.43

Finding the Fourth Proportional to 1,142,436.24, 1,576,735.64 and 729,151.43

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Solution

The fourth proportional to 1,142,436.24, 1,576,735.64 and 729,151.43 is: 1,006,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,436.24 : 1,576,735.64 = 729,151.43 : x
  2. Step 2: Convert to fraction form
    1,142,436.24/1,576,735.64 = 729,151.43/x
  3. Step 3: Cross multiply
    1,142,436.24x = 1,576,735.64 × 729,151.43
  4. Step 4: Simplify right side
    1,142,436.24x = 1,149,679,035,108.53
  5. Step 5: Solve for x
    x = 1,149,679,035,108.53/1,142,436.24
  6. Step 6: Final answer
    x = 1,006,339.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.