Home / 1,115,360.80-1,673,046.78-273,912.64

Finding the Fourth Proportional to 1,115,360.80, 1,673,046.78 and 273,912.64

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Solution

The fourth proportional to 1,115,360.80, 1,673,046.78 and 273,912.64 is: 410,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,360.80 : 1,673,046.78 = 273,912.64 : x
  2. Step 2: Convert to fraction form
    1,115,360.80/1,673,046.78 = 273,912.64/x
  3. Step 3: Cross multiply
    1,115,360.80x = 1,673,046.78 × 273,912.64
  4. Step 4: Simplify right side
    1,115,360.80x = 458,268,660,353.30
  5. Step 5: Solve for x
    x = 458,268,660,353.30/1,115,360.80
  6. Step 6: Final answer
    x = 410,870.33

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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.