Home / 1,438,967.88-1,985,791.77-794,388.42

Finding the Fourth Proportional to 1,438,967.88, 1,985,791.77 and 794,388.42

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Solution

The fourth proportional to 1,438,967.88, 1,985,791.77 and 794,388.42 is: 1,096,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,967.88 : 1,985,791.77 = 794,388.42 : x
  2. Step 2: Convert to fraction form
    1,438,967.88/1,985,791.77 = 794,388.42/x
  3. Step 3: Cross multiply
    1,438,967.88x = 1,985,791.77 × 794,388.42
  4. Step 4: Simplify right side
    1,438,967.88x = 1,577,489,986,619.30
  5. Step 5: Solve for x
    x = 1,577,489,986,619.30/1,438,967.88
  6. Step 6: Final answer
    x = 1,096,264.91

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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.