Home / 1,438,863.78-1,985,645.97-794,270.10

Finding the Fourth Proportional to 1,438,863.78, 1,985,645.97 and 794,270.10

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Solution

The fourth proportional to 1,438,863.78, 1,985,645.97 and 794,270.10 is: 1,096,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,863.78 : 1,985,645.97 = 794,270.10 : x
  2. Step 2: Convert to fraction form
    1,438,863.78/1,985,645.97 = 794,270.10/x
  3. Step 3: Cross multiply
    1,438,863.78x = 1,985,645.97 × 794,270.10
  4. Step 4: Simplify right side
    1,438,863.78x = 1,577,139,223,156.50
  5. Step 5: Solve for x
    x = 1,577,139,223,156.50/1,438,863.78
  6. Step 6: Final answer
    x = 1,096,100.44

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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.