Home / 1,263,043.48-1,743,025.08-690,119.20

Finding the Fourth Proportional to 1,263,043.48, 1,743,025.08 and 690,119.20

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Solution

The fourth proportional to 1,263,043.48, 1,743,025.08 and 690,119.20 is: 952,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,043.48 : 1,743,025.08 = 690,119.20 : x
  2. Step 2: Convert to fraction form
    1,263,043.48/1,743,025.08 = 690,119.20/x
  3. Step 3: Cross multiply
    1,263,043.48x = 1,743,025.08 × 690,119.20
  4. Step 4: Simplify right side
    1,263,043.48x = 1,202,895,073,789.54
  5. Step 5: Solve for x
    x = 1,202,895,073,789.54/1,263,043.48
  6. Step 6: Final answer
    x = 952,378.20

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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.