Home / 1,138,766.82-1,571,450.34-655,348.70

Finding the Fourth Proportional to 1,138,766.82, 1,571,450.34 and 655,348.70

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Solution

The fourth proportional to 1,138,766.82, 1,571,450.34 and 655,348.70 is: 904,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,766.82 : 1,571,450.34 = 655,348.70 : x
  2. Step 2: Convert to fraction form
    1,138,766.82/1,571,450.34 = 655,348.70/x
  3. Step 3: Cross multiply
    1,138,766.82x = 1,571,450.34 × 655,348.70
  4. Step 4: Simplify right side
    1,138,766.82x = 1,029,847,937,433.56
  5. Step 5: Solve for x
    x = 1,029,847,937,433.56/1,138,766.82
  6. Step 6: Final answer
    x = 904,353.66

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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.