Home / 1,034,255.88-1,426,270.14-690,105.78

Finding the Fourth Proportional to 1,034,255.88, 1,426,270.14 and 690,105.78

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Solution

The fourth proportional to 1,034,255.88, 1,426,270.14 and 690,105.78 is: 951,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,255.88 : 1,426,270.14 = 690,105.78 : x
  2. Step 2: Convert to fraction form
    1,034,255.88/1,426,270.14 = 690,105.78/x
  3. Step 3: Cross multiply
    1,034,255.88x = 1,426,270.14 × 690,105.78
  4. Step 4: Simplify right side
    1,034,255.88x = 984,277,267,455.41
  5. Step 5: Solve for x
    x = 984,277,267,455.41/1,034,255.88
  6. Step 6: Final answer
    x = 951,676.74

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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.