Home / 1,438,983.87-1,985,745.69-794,390.22

Finding the Fourth Proportional to 1,438,983.87, 1,985,745.69 and 794,390.22

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Solution

The fourth proportional to 1,438,983.87, 1,985,745.69 and 794,390.22 is: 1,096,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,983.87 : 1,985,745.69 = 794,390.22 : x
  2. Step 2: Convert to fraction form
    1,438,983.87/1,985,745.69 = 794,390.22/x
  3. Step 3: Cross multiply
    1,438,983.87x = 1,985,745.69 × 794,390.22
  4. Step 4: Simplify right side
    1,438,983.87x = 1,577,456,955,543.15
  5. Step 5: Solve for x
    x = 1,577,456,955,543.15/1,438,983.87
  6. Step 6: Final answer
    x = 1,096,229.77

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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.