Home / 1,321,161.44-1,982,052.38-410,297.40

Finding the Fourth Proportional to 1,321,161.44, 1,982,052.38 and 410,297.40

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Solution

The fourth proportional to 1,321,161.44, 1,982,052.38 and 410,297.40 is: 615,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,161.44 : 1,982,052.38 = 410,297.40 : x
  2. Step 2: Convert to fraction form
    1,321,161.44/1,982,052.38 = 410,297.40/x
  3. Step 3: Cross multiply
    1,321,161.44x = 1,982,052.38 × 410,297.40
  4. Step 4: Simplify right side
    1,321,161.44x = 813,230,939,203.56
  5. Step 5: Solve for x
    x = 813,230,939,203.56/1,321,161.44
  6. Step 6: Final answer
    x = 615,542.44

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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.