Home / 1,438,995.08-1,985,761.14-794,401.40

Finding the Fourth Proportional to 1,438,995.08, 1,985,761.14 and 794,401.40

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Solution

The fourth proportional to 1,438,995.08, 1,985,761.14 and 794,401.40 is: 1,096,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,995.08 : 1,985,761.14 = 794,401.40 : x
  2. Step 2: Convert to fraction form
    1,438,995.08/1,985,761.14 = 794,401.40/x
  3. Step 3: Cross multiply
    1,438,995.08x = 1,985,761.14 × 794,401.40
  4. Step 4: Simplify right side
    1,438,995.08x = 1,577,491,419,752.79
  5. Step 5: Solve for x
    x = 1,577,491,419,752.79/1,438,995.08
  6. Step 6: Final answer
    x = 1,096,245.18

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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.