Home / 1,325,296.36-1,987,944.23-378,667.09

Finding the Fourth Proportional to 1,325,296.36, 1,987,944.23 and 378,667.09

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Solution

The fourth proportional to 1,325,296.36, 1,987,944.23 and 378,667.09 is: 568,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,296.36 : 1,987,944.23 = 378,667.09 : x
  2. Step 2: Convert to fraction form
    1,325,296.36/1,987,944.23 = 378,667.09/x
  3. Step 3: Cross multiply
    1,325,296.36x = 1,987,944.23 × 378,667.09
  4. Step 4: Simplify right side
    1,325,296.36x = 752,769,052,633.20
  5. Step 5: Solve for x
    x = 752,769,052,633.20/1,325,296.36
  6. Step 6: Final answer
    x = 568,000.54

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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.