Home / 1,712,427.46-2,568,760.86-687,757.82

Finding the Fourth Proportional to 1,712,427.46, 2,568,760.86 and 687,757.82

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Solution

The fourth proportional to 1,712,427.46, 2,568,760.86 and 687,757.82 is: 1,031,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,427.46 : 2,568,760.86 = 687,757.82 : x
  2. Step 2: Convert to fraction form
    1,712,427.46/2,568,760.86 = 687,757.82/x
  3. Step 3: Cross multiply
    1,712,427.46x = 2,568,760.86 × 687,757.82
  4. Step 4: Simplify right side
    1,712,427.46x = 1,766,685,358,910.21
  5. Step 5: Solve for x
    x = 1,766,685,358,910.21/1,712,427.46
  6. Step 6: Final answer
    x = 1,031,684.79

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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.