Home / 1,645,972.22-2,468,708.78-447,987.90

Finding the Fourth Proportional to 1,645,972.22, 2,468,708.78 and 447,987.90

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Solution

The fourth proportional to 1,645,972.22, 2,468,708.78 and 447,987.90 is: 671,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,972.22 : 2,468,708.78 = 447,987.90 : x
  2. Step 2: Convert to fraction form
    1,645,972.22/2,468,708.78 = 447,987.90/x
  3. Step 3: Cross multiply
    1,645,972.22x = 2,468,708.78 × 447,987.90
  4. Step 4: Simplify right side
    1,645,972.22x = 1,105,951,662,063.76
  5. Step 5: Solve for x
    x = 1,105,951,662,063.76/1,645,972.22
  6. Step 6: Final answer
    x = 671,913.93

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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.