Home / 1,641,151.76-2,263,003.78-1,067,127.44

Finding the Fourth Proportional to 1,641,151.76, 2,263,003.78 and 1,067,127.44

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Solution

The fourth proportional to 1,641,151.76, 2,263,003.78 and 1,067,127.44 is: 1,471,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,151.76 : 2,263,003.78 = 1,067,127.44 : x
  2. Step 2: Convert to fraction form
    1,641,151.76/2,263,003.78 = 1,067,127.44/x
  3. Step 3: Cross multiply
    1,641,151.76x = 2,263,003.78 × 1,067,127.44
  4. Step 4: Simplify right side
    1,641,151.76x = 2,414,913,430,461.72
  5. Step 5: Solve for x
    x = 2,414,913,430,461.72/1,641,151.76
  6. Step 6: Final answer
    x = 1,471,474.78

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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.