Home / 1,804,022.81-2,489,552.12-988,255.75

Finding the Fourth Proportional to 1,804,022.81, 2,489,552.12 and 988,255.75

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Solution

The fourth proportional to 1,804,022.81, 2,489,552.12 and 988,255.75 is: 1,363,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,022.81 : 2,489,552.12 = 988,255.75 : x
  2. Step 2: Convert to fraction form
    1,804,022.81/2,489,552.12 = 988,255.75/x
  3. Step 3: Cross multiply
    1,804,022.81x = 2,489,552.12 × 988,255.75
  4. Step 4: Simplify right side
    1,804,022.81x = 2,460,314,180,125.65
  5. Step 5: Solve for x
    x = 2,460,314,180,125.65/1,804,022.81
  6. Step 6: Final answer
    x = 1,363,793.28

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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.