Home / 1,275,447.79-1,760,317.85-752,215.91

Finding the Fourth Proportional to 1,275,447.79, 1,760,317.85 and 752,215.91

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Solution

The fourth proportional to 1,275,447.79, 1,760,317.85 and 752,215.91 is: 1,038,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,447.79 : 1,760,317.85 = 752,215.91 : x
  2. Step 2: Convert to fraction form
    1,275,447.79/1,760,317.85 = 752,215.91/x
  3. Step 3: Cross multiply
    1,275,447.79x = 1,760,317.85 × 752,215.91
  4. Step 4: Simplify right side
    1,275,447.79x = 1,324,139,085,633.61
  5. Step 5: Solve for x
    x = 1,324,139,085,633.61/1,275,447.79
  6. Step 6: Final answer
    x = 1,038,175.85

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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.