Home / 1,297,371.20-1,945,135.20-587,739.20

Finding the Fourth Proportional to 1,297,371.20, 1,945,135.20 and 587,739.20

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Solution

The fourth proportional to 1,297,371.20, 1,945,135.20 and 587,739.20 is: 881,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,371.20 : 1,945,135.20 = 587,739.20 : x
  2. Step 2: Convert to fraction form
    1,297,371.20/1,945,135.20 = 587,739.20/x
  3. Step 3: Cross multiply
    1,297,371.20x = 1,945,135.20 × 587,739.20
  4. Step 4: Simplify right side
    1,297,371.20x = 1,143,232,206,339.84
  5. Step 5: Solve for x
    x = 1,143,232,206,339.84/1,297,371.20
  6. Step 6: Final answer
    x = 881,191.29

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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.