Home / 1,189,961.67-1,641,538.68-759,789.51

Finding the Fourth Proportional to 1,189,961.67, 1,641,538.68 and 759,789.51

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Solution

The fourth proportional to 1,189,961.67, 1,641,538.68 and 759,789.51 is: 1,048,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,961.67 : 1,641,538.68 = 759,789.51 : x
  2. Step 2: Convert to fraction form
    1,189,961.67/1,641,538.68 = 759,789.51/x
  3. Step 3: Cross multiply
    1,189,961.67x = 1,641,538.68 × 759,789.51
  4. Step 4: Simplify right side
    1,189,961.67x = 1,247,223,869,323.25
  5. Step 5: Solve for x
    x = 1,247,223,869,323.25/1,189,961.67
  6. Step 6: Final answer
    x = 1,048,121.05

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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.