Home / 1,270,834.11-1,753,999.52-787,614.03

Finding the Fourth Proportional to 1,270,834.11, 1,753,999.52 and 787,614.03

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Solution

The fourth proportional to 1,270,834.11, 1,753,999.52 and 787,614.03 is: 1,087,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,834.11 : 1,753,999.52 = 787,614.03 : x
  2. Step 2: Convert to fraction form
    1,270,834.11/1,753,999.52 = 787,614.03/x
  3. Step 3: Cross multiply
    1,270,834.11x = 1,753,999.52 × 787,614.03
  4. Step 4: Simplify right side
    1,270,834.11x = 1,381,474,626,627.20
  5. Step 5: Solve for x
    x = 1,381,474,626,627.20/1,270,834.11
  6. Step 6: Final answer
    x = 1,087,061.34

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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.