Home / 1,267,449.82-1,749,121.41-694,526.38

Finding the Fourth Proportional to 1,267,449.82, 1,749,121.41 and 694,526.38

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Solution

The fourth proportional to 1,267,449.82, 1,749,121.41 and 694,526.38 is: 958,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,449.82 : 1,749,121.41 = 694,526.38 : x
  2. Step 2: Convert to fraction form
    1,267,449.82/1,749,121.41 = 694,526.38/x
  3. Step 3: Cross multiply
    1,267,449.82x = 1,749,121.41 × 694,526.38
  4. Step 4: Simplify right side
    1,267,449.82x = 1,214,810,961,067.80
  5. Step 5: Solve for x
    x = 1,214,810,961,067.80/1,267,449.82
  6. Step 6: Final answer
    x = 958,468.68

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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.