Home / 892,172.13-1,338,260.10-627,118.68

Finding the Fourth Proportional to 892,172.13, 1,338,260.10 and 627,118.68

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Solution

The fourth proportional to 892,172.13, 1,338,260.10 and 627,118.68 is: 940,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,172.13 : 1,338,260.10 = 627,118.68 : x
  2. Step 2: Convert to fraction form
    892,172.13/1,338,260.10 = 627,118.68/x
  3. Step 3: Cross multiply
    892,172.13x = 1,338,260.10 × 627,118.68
  4. Step 4: Simplify right side
    892,172.13x = 839,247,907,408.67
  5. Step 5: Solve for x
    x = 839,247,907,408.67/892,172.13
  6. Step 6: Final answer
    x = 940,679.36

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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.