Home / 1,198,928.43-1,798,350.98-300,377.79

Finding the Fourth Proportional to 1,198,928.43, 1,798,350.98 and 300,377.79

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Solution

The fourth proportional to 1,198,928.43, 1,798,350.98 and 300,377.79 is: 450,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,928.43 : 1,798,350.98 = 300,377.79 : x
  2. Step 2: Convert to fraction form
    1,198,928.43/1,798,350.98 = 300,377.79/x
  3. Step 3: Cross multiply
    1,198,928.43x = 1,798,350.98 × 300,377.79
  4. Step 4: Simplify right side
    1,198,928.43x = 540,184,691,514.85
  5. Step 5: Solve for x
    x = 540,184,691,514.85/1,198,928.43
  6. Step 6: Final answer
    x = 450,556.25

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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.