Home / 1,263,844.20-1,744,105.14-690,886.92

Finding the Fourth Proportional to 1,263,844.20, 1,744,105.14 and 690,886.92

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Solution

The fourth proportional to 1,263,844.20, 1,744,105.14 and 690,886.92 is: 953,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,844.20 : 1,744,105.14 = 690,886.92 : x
  2. Step 2: Convert to fraction form
    1,263,844.20/1,744,105.14 = 690,886.92/x
  3. Step 3: Cross multiply
    1,263,844.20x = 1,744,105.14 × 690,886.92
  4. Step 4: Simplify right side
    1,263,844.20x = 1,204,979,428,330.77
  5. Step 5: Solve for x
    x = 1,204,979,428,330.77/1,263,844.20
  6. Step 6: Final answer
    x = 953,424.03

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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.