Home / 1,275,082.75-1,759,614.20-702,121.56

Finding the Fourth Proportional to 1,275,082.75, 1,759,614.20 and 702,121.56

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Solution

The fourth proportional to 1,275,082.75, 1,759,614.20 and 702,121.56 is: 968,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,082.75 : 1,759,614.20 = 702,121.56 : x
  2. Step 2: Convert to fraction form
    1,275,082.75/1,759,614.20 = 702,121.56/x
  3. Step 3: Cross multiply
    1,275,082.75x = 1,759,614.20 × 702,121.56
  4. Step 4: Simplify right side
    1,275,082.75x = 1,235,463,067,102.15
  5. Step 5: Solve for x
    x = 1,235,463,067,102.15/1,275,082.75
  6. Step 6: Final answer
    x = 968,927.76

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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.