Home / 1,804,035.92-2,489,480.72-988,243.12

Finding the Fourth Proportional to 1,804,035.92, 2,489,480.72 and 988,243.12

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Solution

The fourth proportional to 1,804,035.92, 2,489,480.72 and 988,243.12 is: 1,363,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,035.92 : 2,489,480.72 = 988,243.12 : x
  2. Step 2: Convert to fraction form
    1,804,035.92/2,489,480.72 = 988,243.12/x
  3. Step 3: Cross multiply
    1,804,035.92x = 2,489,480.72 × 988,243.12
  4. Step 4: Simplify right side
    1,804,035.92x = 2,460,212,193,912.65
  5. Step 5: Solve for x
    x = 2,460,212,193,912.65/1,804,035.92
  6. Step 6: Final answer
    x = 1,363,726.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.