Home / 1,469,788.89-2,028,256.65-825,236.25

Finding the Fourth Proportional to 1,469,788.89, 2,028,256.65 and 825,236.25

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Solution

The fourth proportional to 1,469,788.89, 2,028,256.65 and 825,236.25 is: 1,138,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,788.89 : 2,028,256.65 = 825,236.25 : x
  2. Step 2: Convert to fraction form
    1,469,788.89/2,028,256.65 = 825,236.25/x
  3. Step 3: Cross multiply
    1,469,788.89x = 2,028,256.65 × 825,236.25
  4. Step 4: Simplify right side
    1,469,788.89x = 1,673,790,911,883.56
  5. Step 5: Solve for x
    x = 1,673,790,911,883.56/1,469,788.89
  6. Step 6: Final answer
    x = 1,138,796.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.