Home / 1,086,588.41-1,629,947.70-287,867.66

Finding the Fourth Proportional to 1,086,588.41, 1,629,947.70 and 287,867.66

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Solution

The fourth proportional to 1,086,588.41, 1,629,947.70 and 287,867.66 is: 431,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,588.41 : 1,629,947.70 = 287,867.66 : x
  2. Step 2: Convert to fraction form
    1,086,588.41/1,629,947.70 = 287,867.66/x
  3. Step 3: Cross multiply
    1,086,588.41x = 1,629,947.70 × 287,867.66
  4. Step 4: Simplify right side
    1,086,588.41x = 469,209,222,171.64
  5. Step 5: Solve for x
    x = 469,209,222,171.64/1,086,588.41
  6. Step 6: Final answer
    x = 431,818.73

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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.