Home / 1,180,895.38-1,629,791.87-664,749.20

Finding the Fourth Proportional to 1,180,895.38, 1,629,791.87 and 664,749.20

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Solution

The fourth proportional to 1,180,895.38, 1,629,791.87 and 664,749.20 is: 917,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,895.38 : 1,629,791.87 = 664,749.20 : x
  2. Step 2: Convert to fraction form
    1,180,895.38/1,629,791.87 = 664,749.20/x
  3. Step 3: Cross multiply
    1,180,895.38x = 1,629,791.87 × 664,749.20
  4. Step 4: Simplify right side
    1,180,895.38x = 1,083,402,842,499.74
  5. Step 5: Solve for x
    x = 1,083,402,842,499.74/1,180,895.38
  6. Step 6: Final answer
    x = 917,441.85

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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.