Home / 1,659,207.09-2,488,257.05-648,066.78

Finding the Fourth Proportional to 1,659,207.09, 2,488,257.05 and 648,066.78

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Solution

The fourth proportional to 1,659,207.09, 2,488,257.05 and 648,066.78 is: 971,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,207.09 : 2,488,257.05 = 648,066.78 : x
  2. Step 2: Convert to fraction form
    1,659,207.09/2,488,257.05 = 648,066.78/x
  3. Step 3: Cross multiply
    1,659,207.09x = 2,488,257.05 × 648,066.78
  4. Step 4: Simplify right side
    1,659,207.09x = 1,612,556,734,205.80
  5. Step 5: Solve for x
    x = 1,612,556,734,205.80/1,659,207.09
  6. Step 6: Final answer
    x = 971,883.95

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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.