Home / 1,438,957.88-1,985,778-794,378.48

Finding the Fourth Proportional to 1,438,957.88, 1,985,778 and 794,378.48

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Solution

The fourth proportional to 1,438,957.88, 1,985,778 and 794,378.48 is: 1,096,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,957.88 : 1,985,778 = 794,378.48 : x
  2. Step 2: Convert to fraction form
    1,438,957.88/1,985,778 = 794,378.48/x
  3. Step 3: Cross multiply
    1,438,957.88x = 1,985,778 × 794,378.48
  4. Step 4: Simplify right side
    1,438,957.88x = 1,577,459,309,257.44
  5. Step 5: Solve for x
    x = 1,577,459,309,257.44/1,438,957.88
  6. Step 6: Final answer
    x = 1,096,251.20

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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.