Home / 820,914.60-1,229,039.10-736,933.80

Finding the Fourth Proportional to 820,914.60, 1,229,039.10 and 736,933.80

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Solution

The fourth proportional to 820,914.60, 1,229,039.10 and 736,933.80 is: 1,103,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,914.60 : 1,229,039.10 = 736,933.80 : x
  2. Step 2: Convert to fraction form
    820,914.60/1,229,039.10 = 736,933.80/x
  3. Step 3: Cross multiply
    820,914.60x = 1,229,039.10 × 736,933.80
  4. Step 4: Simplify right side
    820,914.60x = 905,720,454,311.58
  5. Step 5: Solve for x
    x = 905,720,454,311.58/820,914.60
  6. Step 6: Final answer
    x = 1,103,306.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.