Home / 1,290,516.44-1,936,033.25-722,705.22

Finding the Fourth Proportional to 1,290,516.44, 1,936,033.25 and 722,705.22

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Solution

The fourth proportional to 1,290,516.44, 1,936,033.25 and 722,705.22 is: 1,084,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,516.44 : 1,936,033.25 = 722,705.22 : x
  2. Step 2: Convert to fraction form
    1,290,516.44/1,936,033.25 = 722,705.22/x
  3. Step 3: Cross multiply
    1,290,516.44x = 1,936,033.25 × 722,705.22
  4. Step 4: Simplify right side
    1,290,516.44x = 1,399,181,332,255.04
  5. Step 5: Solve for x
    x = 1,399,181,332,255.04/1,290,516.44
  6. Step 6: Final answer
    x = 1,084,202.65

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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.