Home / 1,265,984.64-1,747,015.20-722,296.44

Finding the Fourth Proportional to 1,265,984.64, 1,747,015.20 and 722,296.44

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Solution

The fourth proportional to 1,265,984.64, 1,747,015.20 and 722,296.44 is: 996,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,984.64 : 1,747,015.20 = 722,296.44 : x
  2. Step 2: Convert to fraction form
    1,265,984.64/1,747,015.20 = 722,296.44/x
  3. Step 3: Cross multiply
    1,265,984.64x = 1,747,015.20 × 722,296.44
  4. Step 4: Simplify right side
    1,265,984.64x = 1,261,862,859,585.89
  5. Step 5: Solve for x
    x = 1,261,862,859,585.89/1,265,984.64
  6. Step 6: Final answer
    x = 996,744.21

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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.