Home / 1,787,257.56-2,682,796.32-722,995.32

Finding the Fourth Proportional to 1,787,257.56, 2,682,796.32 and 722,995.32

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Solution

The fourth proportional to 1,787,257.56, 2,682,796.32 and 722,995.32 is: 1,085,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,257.56 : 2,682,796.32 = 722,995.32 : x
  2. Step 2: Convert to fraction form
    1,787,257.56/2,682,796.32 = 722,995.32/x
  3. Step 3: Cross multiply
    1,787,257.56x = 2,682,796.32 × 722,995.32
  4. Step 4: Simplify right side
    1,787,257.56x = 1,939,649,183,873.22
  5. Step 5: Solve for x
    x = 1,939,649,183,873.22/1,787,257.56
  6. Step 6: Final answer
    x = 1,085,265.62

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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.