Home / 1,204,144.96-1,804,953.06-405,149.12

Finding the Fourth Proportional to 1,204,144.96, 1,804,953.06 and 405,149.12

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Solution

The fourth proportional to 1,204,144.96, 1,804,953.06 and 405,149.12 is: 607,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,144.96 : 1,804,953.06 = 405,149.12 : x
  2. Step 2: Convert to fraction form
    1,204,144.96/1,804,953.06 = 405,149.12/x
  3. Step 3: Cross multiply
    1,204,144.96x = 1,804,953.06 × 405,149.12
  4. Step 4: Simplify right side
    1,204,144.96x = 731,275,143,900.31
  5. Step 5: Solve for x
    x = 731,275,143,900.31/1,204,144.96
  6. Step 6: Final answer
    x = 607,298.26

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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.