Home / 1,647,890.48-2,469,839.60-699,268.40

Finding the Fourth Proportional to 1,647,890.48, 2,469,839.60 and 699,268.40

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Solution

The fourth proportional to 1,647,890.48, 2,469,839.60 and 699,268.40 is: 1,048,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,890.48 : 2,469,839.60 = 699,268.40 : x
  2. Step 2: Convert to fraction form
    1,647,890.48/2,469,839.60 = 699,268.40/x
  3. Step 3: Cross multiply
    1,647,890.48x = 2,469,839.60 × 699,268.40
  4. Step 4: Simplify right side
    1,647,890.48x = 1,727,080,785,348.64
  5. Step 5: Solve for x
    x = 1,727,080,785,348.64/1,647,890.48
  6. Step 6: Final answer
    x = 1,048,055.56

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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.