Home / 1,263,260.46-1,743,342.48-690,337.56

Finding the Fourth Proportional to 1,263,260.46, 1,743,342.48 and 690,337.56

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Solution

The fourth proportional to 1,263,260.46, 1,743,342.48 and 690,337.56 is: 952,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,260.46 : 1,743,342.48 = 690,337.56 : x
  2. Step 2: Convert to fraction form
    1,263,260.46/1,743,342.48 = 690,337.56/x
  3. Step 3: Cross multiply
    1,263,260.46x = 1,743,342.48 × 690,337.56
  4. Step 4: Simplify right side
    1,263,260.46x = 1,203,494,793,887.55
  5. Step 5: Solve for x
    x = 1,203,494,793,887.55/1,263,260.46
  6. Step 6: Final answer
    x = 952,689.36

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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.