Home / 1,138,561.92-1,707,784.56-339,850.08

Finding the Fourth Proportional to 1,138,561.92, 1,707,784.56 and 339,850.08

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Solution

The fourth proportional to 1,138,561.92, 1,707,784.56 and 339,850.08 is: 509,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,561.92 : 1,707,784.56 = 339,850.08 : x
  2. Step 2: Convert to fraction form
    1,138,561.92/1,707,784.56 = 339,850.08/x
  3. Step 3: Cross multiply
    1,138,561.92x = 1,707,784.56 × 339,850.08
  4. Step 4: Simplify right side
    1,138,561.92x = 580,390,719,338.77
  5. Step 5: Solve for x
    x = 580,390,719,338.77/1,138,561.92
  6. Step 6: Final answer
    x = 509,757.71

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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.