Home / 1,195,026.09-1,647,268.60-812,388.57

Finding the Fourth Proportional to 1,195,026.09, 1,647,268.60 and 812,388.57

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Solution

The fourth proportional to 1,195,026.09, 1,647,268.60 and 812,388.57 is: 1,119,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,026.09 : 1,647,268.60 = 812,388.57 : x
  2. Step 2: Convert to fraction form
    1,195,026.09/1,647,268.60 = 812,388.57/x
  3. Step 3: Cross multiply
    1,195,026.09x = 1,647,268.60 × 812,388.57
  4. Step 4: Simplify right side
    1,195,026.09x = 1,338,222,182,359.90
  5. Step 5: Solve for x
    x = 1,338,222,182,359.90/1,195,026.09
  6. Step 6: Final answer
    x = 1,119,826.75

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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.