Home / 1,197,642.08-1,653,023.94-789,817.52

Finding the Fourth Proportional to 1,197,642.08, 1,653,023.94 and 789,817.52

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Solution

The fourth proportional to 1,197,642.08, 1,653,023.94 and 789,817.52 is: 1,090,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,642.08 : 1,653,023.94 = 789,817.52 : x
  2. Step 2: Convert to fraction form
    1,197,642.08/1,653,023.94 = 789,817.52/x
  3. Step 3: Cross multiply
    1,197,642.08x = 1,653,023.94 × 789,817.52
  4. Step 4: Simplify right side
    1,197,642.08x = 1,305,587,268,791.43
  5. Step 5: Solve for x
    x = 1,305,587,268,791.43/1,197,642.08
  6. Step 6: Final answer
    x = 1,090,131.43

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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.