Home / 1,438,982.56-1,985,743.87-794,388.93

Finding the Fourth Proportional to 1,438,982.56, 1,985,743.87 and 794,388.93

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Solution

The fourth proportional to 1,438,982.56, 1,985,743.87 and 794,388.93 is: 1,096,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,982.56 : 1,985,743.87 = 794,388.93 : x
  2. Step 2: Convert to fraction form
    1,438,982.56/1,985,743.87 = 794,388.93/x
  3. Step 3: Cross multiply
    1,438,982.56x = 1,985,743.87 × 794,388.93
  4. Step 4: Simplify right side
    1,438,982.56x = 1,577,452,948,143.36
  5. Step 5: Solve for x
    x = 1,577,452,948,143.36/1,438,982.56
  6. Step 6: Final answer
    x = 1,096,227.98

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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.