Home / 1,204,142.96-1,804,950.06-405,147.12

Finding the Fourth Proportional to 1,204,142.96, 1,804,950.06 and 405,147.12

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Solution

The fourth proportional to 1,204,142.96, 1,804,950.06 and 405,147.12 is: 607,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,142.96 : 1,804,950.06 = 405,147.12 : x
  2. Step 2: Convert to fraction form
    1,204,142.96/1,804,950.06 = 405,147.12/x
  3. Step 3: Cross multiply
    1,204,142.96x = 1,804,950.06 × 405,147.12
  4. Step 4: Simplify right side
    1,204,142.96x = 731,270,318,552.83
  5. Step 5: Solve for x
    x = 731,270,318,552.83/1,204,142.96
  6. Step 6: Final answer
    x = 607,295.27

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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.