Home / 1,309,515.30-1,807,112.97-736,555.86

Finding the Fourth Proportional to 1,309,515.30, 1,807,112.97 and 736,555.86

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Solution

The fourth proportional to 1,309,515.30, 1,807,112.97 and 736,555.86 is: 1,016,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,515.30 : 1,807,112.97 = 736,555.86 : x
  2. Step 2: Convert to fraction form
    1,309,515.30/1,807,112.97 = 736,555.86/x
  3. Step 3: Cross multiply
    1,309,515.30x = 1,807,112.97 × 736,555.86
  4. Step 4: Simplify right side
    1,309,515.30x = 1,331,039,647,735.50
  5. Step 5: Solve for x
    x = 1,331,039,647,735.50/1,309,515.30
  6. Step 6: Final answer
    x = 1,016,436.88

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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.