Home / 1,067,449.44-1,472,839.08-637,645.44

Finding the Fourth Proportional to 1,067,449.44, 1,472,839.08 and 637,645.44

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Solution

The fourth proportional to 1,067,449.44, 1,472,839.08 and 637,645.44 is: 879,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,449.44 : 1,472,839.08 = 637,645.44 : x
  2. Step 2: Convert to fraction form
    1,067,449.44/1,472,839.08 = 637,645.44/x
  3. Step 3: Cross multiply
    1,067,449.44x = 1,472,839.08 × 637,645.44
  4. Step 4: Simplify right side
    1,067,449.44x = 939,149,123,215.80
  5. Step 5: Solve for x
    x = 939,149,123,215.80/1,067,449.44
  6. Step 6: Final answer
    x = 879,806.66

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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.