Home / 1,787,162.82-2,682,073.18-722,214.12

Finding the Fourth Proportional to 1,787,162.82, 2,682,073.18 and 722,214.12

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Solution

The fourth proportional to 1,787,162.82, 2,682,073.18 and 722,214.12 is: 1,083,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,162.82 : 2,682,073.18 = 722,214.12 : x
  2. Step 2: Convert to fraction form
    1,787,162.82/2,682,073.18 = 722,214.12/x
  3. Step 3: Cross multiply
    1,787,162.82x = 2,682,073.18 × 722,214.12
  4. Step 4: Simplify right side
    1,787,162.82x = 1,937,031,121,469.30
  5. Step 5: Solve for x
    x = 1,937,031,121,469.30/1,787,162.82
  6. Step 6: Final answer
    x = 1,083,858.22

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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.