Home / 1,086,479.97-1,629,735.39-328,327.76

Finding the Fourth Proportional to 1,086,479.97, 1,629,735.39 and 328,327.76

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Solution

The fourth proportional to 1,086,479.97, 1,629,735.39 and 328,327.76 is: 492,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,479.97 : 1,629,735.39 = 328,327.76 : x
  2. Step 2: Convert to fraction form
    1,086,479.97/1,629,735.39 = 328,327.76/x
  3. Step 3: Cross multiply
    1,086,479.97x = 1,629,735.39 × 328,327.76
  4. Step 4: Simplify right side
    1,086,479.97x = 535,087,374,065.77
  5. Step 5: Solve for x
    x = 535,087,374,065.77/1,086,479.97
  6. Step 6: Final answer
    x = 492,496.31

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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.