Home / 1,359,115.30-2,040,247.05-729,259.30

Finding the Fourth Proportional to 1,359,115.30, 2,040,247.05 and 729,259.30

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Solution

The fourth proportional to 1,359,115.30, 2,040,247.05 and 729,259.30 is: 1,094,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,115.30 : 2,040,247.05 = 729,259.30 : x
  2. Step 2: Convert to fraction form
    1,359,115.30/2,040,247.05 = 729,259.30/x
  3. Step 3: Cross multiply
    1,359,115.30x = 2,040,247.05 × 729,259.30
  4. Step 4: Simplify right side
    1,359,115.30x = 1,487,869,135,510.07
  5. Step 5: Solve for x
    x = 1,487,869,135,510.07/1,359,115.30
  6. Step 6: Final answer
    x = 1,094,733.56

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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.