Home / 820,141.87-1,230,212.80-733,782.70

Finding the Fourth Proportional to 820,141.87, 1,230,212.80 and 733,782.70

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Solution

The fourth proportional to 820,141.87, 1,230,212.80 and 733,782.70 is: 1,100,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,141.87 : 1,230,212.80 = 733,782.70 : x
  2. Step 2: Convert to fraction form
    820,141.87/1,230,212.80 = 733,782.70/x
  3. Step 3: Cross multiply
    820,141.87x = 1,230,212.80 × 733,782.70
  4. Step 4: Simplify right side
    820,141.87x = 902,708,869,958.56
  5. Step 5: Solve for x
    x = 902,708,869,958.56/820,141.87
  6. Step 6: Final answer
    x = 1,100,674.05

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Similar ratio
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1.5x scale

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.