Home / 1,637,659.22-2,456,488.82-639,687.38

Finding the Fourth Proportional to 1,637,659.22, 2,456,488.82 and 639,687.38

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Solution

The fourth proportional to 1,637,659.22, 2,456,488.82 and 639,687.38 is: 959,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,659.22 : 2,456,488.82 = 639,687.38 : x
  2. Step 2: Convert to fraction form
    1,637,659.22/2,456,488.82 = 639,687.38/x
  3. Step 3: Cross multiply
    1,637,659.22x = 2,456,488.82 × 639,687.38
  4. Step 4: Simplify right side
    1,637,659.22x = 1,571,384,886,581.87
  5. Step 5: Solve for x
    x = 1,571,384,886,581.87/1,637,659.22
  6. Step 6: Final answer
    x = 959,531.06

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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.