Home / 1,111,832.90-1,667,749.35-270,377.36

Finding the Fourth Proportional to 1,111,832.90, 1,667,749.35 and 270,377.36

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Solution

The fourth proportional to 1,111,832.90, 1,667,749.35 and 270,377.36 is: 405,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,832.90 : 1,667,749.35 = 270,377.36 : x
  2. Step 2: Convert to fraction form
    1,111,832.90/1,667,749.35 = 270,377.36/x
  3. Step 3: Cross multiply
    1,111,832.90x = 1,667,749.35 × 270,377.36
  4. Step 4: Simplify right side
    1,111,832.90x = 450,921,658,055.97
  5. Step 5: Solve for x
    x = 450,921,658,055.97/1,111,832.90
  6. Step 6: Final answer
    x = 405,566.03

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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.