Home / 1,309,704.73-1,807,120.33-765,735.26

Finding the Fourth Proportional to 1,309,704.73, 1,807,120.33 and 765,735.26

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Solution

The fourth proportional to 1,309,704.73, 1,807,120.33 and 765,735.26 is: 1,056,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,704.73 : 1,807,120.33 = 765,735.26 : x
  2. Step 2: Convert to fraction form
    1,309,704.73/1,807,120.33 = 765,735.26/x
  3. Step 3: Cross multiply
    1,309,704.73x = 1,807,120.33 × 765,735.26
  4. Step 4: Simplify right side
    1,309,704.73x = 1,383,775,744,793.90
  5. Step 5: Solve for x
    x = 1,383,775,744,793.90/1,309,704.73
  6. Step 6: Final answer
    x = 1,056,555.51

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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.