Home / 1,263,304.48-1,743,385.28-690,380.16

Finding the Fourth Proportional to 1,263,304.48, 1,743,385.28 and 690,380.16

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Solution

The fourth proportional to 1,263,304.48, 1,743,385.28 and 690,380.16 is: 952,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,304.48 : 1,743,385.28 = 690,380.16 : x
  2. Step 2: Convert to fraction form
    1,263,304.48/1,743,385.28 = 690,380.16/x
  3. Step 3: Cross multiply
    1,263,304.48x = 1,743,385.28 × 690,380.16
  4. Step 4: Simplify right side
    1,263,304.48x = 1,203,598,608,548.05
  5. Step 5: Solve for x
    x = 1,203,598,608,548.05/1,263,304.48
  6. Step 6: Final answer
    x = 952,738.34

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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.