Home / 1,665,988.22-2,498,664.54-812,202.86

Finding the Fourth Proportional to 1,665,988.22, 2,498,664.54 and 812,202.86

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Solution

The fourth proportional to 1,665,988.22, 2,498,664.54 and 812,202.86 is: 1,218,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,988.22 : 2,498,664.54 = 812,202.86 : x
  2. Step 2: Convert to fraction form
    1,665,988.22/2,498,664.54 = 812,202.86/x
  3. Step 3: Cross multiply
    1,665,988.22x = 2,498,664.54 × 812,202.86
  4. Step 4: Simplify right side
    1,665,988.22x = 2,029,422,485,568.58
  5. Step 5: Solve for x
    x = 2,029,422,485,568.58/1,665,988.22
  6. Step 6: Final answer
    x = 1,218,149.36

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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.