Home / 869,722.20-1,304,583.30-806,736.60

Finding the Fourth Proportional to 869,722.20, 1,304,583.30 and 806,736.60

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Solution

The fourth proportional to 869,722.20, 1,304,583.30 and 806,736.60 is: 1,210,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,722.20 : 1,304,583.30 = 806,736.60 : x
  2. Step 2: Convert to fraction form
    869,722.20/1,304,583.30 = 806,736.60/x
  3. Step 3: Cross multiply
    869,722.20x = 1,304,583.30 × 806,736.60
  4. Step 4: Simplify right side
    869,722.20x = 1,052,455,095,858.78
  5. Step 5: Solve for x
    x = 1,052,455,095,858.78/869,722.20
  6. Step 6: Final answer
    x = 1,210,104.90

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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.