Home / 1,111,471.40-1,667,192.52-270,020.72

Finding the Fourth Proportional to 1,111,471.40, 1,667,192.52 and 270,020.72

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Solution

The fourth proportional to 1,111,471.40, 1,667,192.52 and 270,020.72 is: 405,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,471.40 : 1,667,192.52 = 270,020.72 : x
  2. Step 2: Convert to fraction form
    1,111,471.40/1,667,192.52 = 270,020.72/x
  3. Step 3: Cross multiply
    1,111,471.40x = 1,667,192.52 × 270,020.72
  4. Step 4: Simplify right side
    1,111,471.40x = 450,176,524,629.01
  5. Step 5: Solve for x
    x = 450,176,524,629.01/1,111,471.40
  6. Step 6: Final answer
    x = 405,027.54

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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.