Home / 1,338,620.94-2,005,790.72-1,202,660.55

Finding the Fourth Proportional to 1,338,620.94, 2,005,790.72 and 1,202,660.55

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Solution

The fourth proportional to 1,338,620.94, 2,005,790.72 and 1,202,660.55 is: 1,802,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,620.94 : 2,005,790.72 = 1,202,660.55 : x
  2. Step 2: Convert to fraction form
    1,338,620.94/2,005,790.72 = 1,202,660.55/x
  3. Step 3: Cross multiply
    1,338,620.94x = 2,005,790.72 × 1,202,660.55
  4. Step 4: Simplify right side
    1,338,620.94x = 2,412,285,364,486.79
  5. Step 5: Solve for x
    x = 2,412,285,364,486.79/1,338,620.94
  6. Step 6: Final answer
    x = 1,802,067.56

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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.