Home / 1,780,429.19-2,667,601.13-1,272,394.58

Finding the Fourth Proportional to 1,780,429.19, 2,667,601.13 and 1,272,394.58

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Solution

The fourth proportional to 1,780,429.19, 2,667,601.13 and 1,272,394.58 is: 1,906,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,429.19 : 2,667,601.13 = 1,272,394.58 : x
  2. Step 2: Convert to fraction form
    1,780,429.19/2,667,601.13 = 1,272,394.58/x
  3. Step 3: Cross multiply
    1,780,429.19x = 2,667,601.13 × 1,272,394.58
  4. Step 4: Simplify right side
    1,780,429.19x = 3,394,241,199,713.90
  5. Step 5: Solve for x
    x = 3,394,241,199,713.90/1,780,429.19
  6. Step 6: Final answer
    x = 1,906,417.41

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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.