Home / 1,187,760.24-1,779,540.84-787,451.76

Finding the Fourth Proportional to 1,187,760.24, 1,779,540.84 and 787,451.76

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Solution

The fourth proportional to 1,187,760.24, 1,779,540.84 and 787,451.76 is: 1,179,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,760.24 : 1,779,540.84 = 787,451.76 : x
  2. Step 2: Convert to fraction form
    1,187,760.24/1,779,540.84 = 787,451.76/x
  3. Step 3: Cross multiply
    1,187,760.24x = 1,779,540.84 × 787,451.76
  4. Step 4: Simplify right side
    1,187,760.24x = 1,401,302,566,449.88
  5. Step 5: Solve for x
    x = 1,401,302,566,449.88/1,187,760.24
  6. Step 6: Final answer
    x = 1,179,785.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.