Home / 1,111,471.90-1,667,193.27-270,021.22

Finding the Fourth Proportional to 1,111,471.90, 1,667,193.27 and 270,021.22

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Solution

The fourth proportional to 1,111,471.90, 1,667,193.27 and 270,021.22 is: 405,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,471.90 : 1,667,193.27 = 270,021.22 : x
  2. Step 2: Convert to fraction form
    1,111,471.90/1,667,193.27 = 270,021.22/x
  3. Step 3: Cross multiply
    1,111,471.90x = 1,667,193.27 × 270,021.22
  4. Step 4: Simplify right side
    1,111,471.90x = 450,177,560,741.19
  5. Step 5: Solve for x
    x = 450,177,560,741.19/1,111,471.90
  6. Step 6: Final answer
    x = 405,028.29

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Double scale
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1.5x scale

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.