Home / 1,263,296.08-1,743,371.40-690,360.40

Finding the Fourth Proportional to 1,263,296.08, 1,743,371.40 and 690,360.40

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Solution

The fourth proportional to 1,263,296.08, 1,743,371.40 and 690,360.40 is: 952,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,296.08 : 1,743,371.40 = 690,360.40 : x
  2. Step 2: Convert to fraction form
    1,263,296.08/1,743,371.40 = 690,360.40/x
  3. Step 3: Cross multiply
    1,263,296.08x = 1,743,371.40 × 690,360.40
  4. Step 4: Simplify right side
    1,263,296.08x = 1,203,554,577,052.56
  5. Step 5: Solve for x
    x = 1,203,554,577,052.56/1,263,296.08
  6. Step 6: Final answer
    x = 952,709.82

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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.