Home / 1,067,458.56-1,601,183.52-428,048.16

Finding the Fourth Proportional to 1,067,458.56, 1,601,183.52 and 428,048.16

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Solution

The fourth proportional to 1,067,458.56, 1,601,183.52 and 428,048.16 is: 642,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,458.56 : 1,601,183.52 = 428,048.16 : x
  2. Step 2: Convert to fraction form
    1,067,458.56/1,601,183.52 = 428,048.16/x
  3. Step 3: Cross multiply
    1,067,458.56x = 1,601,183.52 × 428,048.16
  4. Step 4: Simplify right side
    1,067,458.56x = 685,383,659,558.32
  5. Step 5: Solve for x
    x = 685,383,659,558.32/1,067,458.56
  6. Step 6: Final answer
    x = 642,070.51

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Double scale
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Similar ratio
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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.