Home / 1,790,979.92-2,686,467-1,228,308.56

Finding the Fourth Proportional to 1,790,979.92, 2,686,467 and 1,228,308.56

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Solution

The fourth proportional to 1,790,979.92, 2,686,467 and 1,228,308.56 is: 1,842,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,979.92 : 2,686,467 = 1,228,308.56 : x
  2. Step 2: Convert to fraction form
    1,790,979.92/2,686,467 = 1,228,308.56/x
  3. Step 3: Cross multiply
    1,790,979.92x = 2,686,467 × 1,228,308.56
  4. Step 4: Simplify right side
    1,790,979.92x = 3,299,810,412,257.52
  5. Step 5: Solve for x
    x = 3,299,810,412,257.52/1,790,979.92
  6. Step 6: Final answer
    x = 1,842,460.86

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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.