Home / 1,263,248.20-1,743,261.38-690,275.16

Finding the Fourth Proportional to 1,263,248.20, 1,743,261.38 and 690,275.16

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Solution

The fourth proportional to 1,263,248.20, 1,743,261.38 and 690,275.16 is: 952,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,248.20 : 1,743,261.38 = 690,275.16 : x
  2. Step 2: Convert to fraction form
    1,263,248.20/1,743,261.38 = 690,275.16/x
  3. Step 3: Cross multiply
    1,263,248.20x = 1,743,261.38 × 690,275.16
  4. Step 4: Simplify right side
    1,263,248.20x = 1,203,330,028,001.32
  5. Step 5: Solve for x
    x = 1,203,330,028,001.32/1,263,248.20
  6. Step 6: Final answer
    x = 952,568.17

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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.