Home / 1,263,427.27-1,743,649.85-690,553.56

Finding the Fourth Proportional to 1,263,427.27, 1,743,649.85 and 690,553.56

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Solution

The fourth proportional to 1,263,427.27, 1,743,649.85 and 690,553.56 is: 953,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,427.27 : 1,743,649.85 = 690,553.56 : x
  2. Step 2: Convert to fraction form
    1,263,427.27/1,743,649.85 = 690,553.56/x
  3. Step 3: Cross multiply
    1,263,427.27x = 1,743,649.85 × 690,553.56
  4. Step 4: Simplify right side
    1,263,427.27x = 1,204,083,611,310.97
  5. Step 5: Solve for x
    x = 1,204,083,611,310.97/1,263,427.27
  6. Step 6: Final answer
    x = 953,029.62

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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.