Home / 1,479,003.36-2,212,667.87-1,120,207.79

Finding the Fourth Proportional to 1,479,003.36, 2,212,667.87 and 1,120,207.79

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Solution

The fourth proportional to 1,479,003.36, 2,212,667.87 and 1,120,207.79 is: 1,675,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,003.36 : 2,212,667.87 = 1,120,207.79 : x
  2. Step 2: Convert to fraction form
    1,479,003.36/2,212,667.87 = 1,120,207.79/x
  3. Step 3: Cross multiply
    1,479,003.36x = 2,212,667.87 × 1,120,207.79
  4. Step 4: Simplify right side
    1,479,003.36x = 2,478,647,767,992.33
  5. Step 5: Solve for x
    x = 2,478,647,767,992.33/1,479,003.36
  6. Step 6: Final answer
    x = 1,675,890.56

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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.