Home / 1,804,014.78-2,489,540.84-988,247.47

Finding the Fourth Proportional to 1,804,014.78, 2,489,540.84 and 988,247.47

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Solution

The fourth proportional to 1,804,014.78, 2,489,540.84 and 988,247.47 is: 1,363,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,014.78 : 2,489,540.84 = 988,247.47 : x
  2. Step 2: Convert to fraction form
    1,804,014.78/2,489,540.84 = 988,247.47/x
  3. Step 3: Cross multiply
    1,804,014.78x = 2,489,540.84 × 988,247.47
  4. Step 4: Simplify right side
    1,804,014.78x = 2,460,282,424,143.97
  5. Step 5: Solve for x
    x = 2,460,282,424,143.97/1,804,014.78
  6. Step 6: Final answer
    x = 1,363,781.74

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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.