Home / 1,263,028.26-1,743,004.08-690,103.92

Finding the Fourth Proportional to 1,263,028.26, 1,743,004.08 and 690,103.92

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Solution

The fourth proportional to 1,263,028.26, 1,743,004.08 and 690,103.92 is: 952,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,028.26 : 1,743,004.08 = 690,103.92 : x
  2. Step 2: Convert to fraction form
    1,263,028.26/1,743,004.08 = 690,103.92/x
  3. Step 3: Cross multiply
    1,263,028.26x = 1,743,004.08 × 690,103.92
  4. Step 4: Simplify right side
    1,263,028.26x = 1,202,853,948,183.99
  5. Step 5: Solve for x
    x = 1,202,853,948,183.99/1,263,028.26
  6. Step 6: Final answer
    x = 952,357.11

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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.