Home / 1,275,351.78-1,760,065.03-702,391.80

Finding the Fourth Proportional to 1,275,351.78, 1,760,065.03 and 702,391.80

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Solution

The fourth proportional to 1,275,351.78, 1,760,065.03 and 702,391.80 is: 969,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,351.78 : 1,760,065.03 = 702,391.80 : x
  2. Step 2: Convert to fraction form
    1,275,351.78/1,760,065.03 = 702,391.80/x
  3. Step 3: Cross multiply
    1,275,351.78x = 1,760,065.03 × 702,391.80
  4. Step 4: Simplify right side
    1,275,351.78x = 1,236,255,244,538.75
  5. Step 5: Solve for x
    x = 1,236,255,244,538.75/1,275,351.78
  6. Step 6: Final answer
    x = 969,344.51

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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.