Home / 1,206,078.22-1,665,166.83-747,682.68

Finding the Fourth Proportional to 1,206,078.22, 1,665,166.83 and 747,682.68

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Solution

The fourth proportional to 1,206,078.22, 1,665,166.83 and 747,682.68 is: 1,032,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,078.22 : 1,665,166.83 = 747,682.68 : x
  2. Step 2: Convert to fraction form
    1,206,078.22/1,665,166.83 = 747,682.68/x
  3. Step 3: Cross multiply
    1,206,078.22x = 1,665,166.83 × 747,682.68
  4. Step 4: Simplify right side
    1,206,078.22x = 1,245,016,398,101.50
  5. Step 5: Solve for x
    x = 1,245,016,398,101.50/1,206,078.22
  6. Step 6: Final answer
    x = 1,032,284.96

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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.