Home / 1,777,107.40-2,667,629.40-1,103,948.80

Finding the Fourth Proportional to 1,777,107.40, 2,667,629.40 and 1,103,948.80

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Solution

The fourth proportional to 1,777,107.40, 2,667,629.40 and 1,103,948.80 is: 1,657,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,107.40 : 2,667,629.40 = 1,103,948.80 : x
  2. Step 2: Convert to fraction form
    1,777,107.40/2,667,629.40 = 1,103,948.80/x
  3. Step 3: Cross multiply
    1,777,107.40x = 2,667,629.40 × 1,103,948.80
  4. Step 4: Simplify right side
    1,777,107.40x = 2,944,926,274,974.72
  5. Step 5: Solve for x
    x = 2,944,926,274,974.72/1,777,107.40
  6. Step 6: Final answer
    x = 1,657,145.92

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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.