Home / 1,438,932.40-1,985,742.80-794,352.92

Finding the Fourth Proportional to 1,438,932.40, 1,985,742.80 and 794,352.92

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Solution

The fourth proportional to 1,438,932.40, 1,985,742.80 and 794,352.92 is: 1,096,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,932.40 : 1,985,742.80 = 794,352.92 : x
  2. Step 2: Convert to fraction form
    1,438,932.40/1,985,742.80 = 794,352.92/x
  3. Step 3: Cross multiply
    1,438,932.40x = 1,985,742.80 × 794,352.92
  4. Step 4: Simplify right side
    1,438,932.40x = 1,577,380,591,548.98
  5. Step 5: Solve for x
    x = 1,577,380,591,548.98/1,438,932.40
  6. Step 6: Final answer
    x = 1,096,215.91

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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.