Home / 1,619,999.10-2,428,443.45-1,259,970.30

Finding the Fourth Proportional to 1,619,999.10, 2,428,443.45 and 1,259,970.30

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Solution

The fourth proportional to 1,619,999.10, 2,428,443.45 and 1,259,970.30 is: 1,888,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,999.10 : 2,428,443.45 = 1,259,970.30 : x
  2. Step 2: Convert to fraction form
    1,619,999.10/2,428,443.45 = 1,259,970.30/x
  3. Step 3: Cross multiply
    1,619,999.10x = 2,428,443.45 × 1,259,970.30
  4. Step 4: Simplify right side
    1,619,999.10x = 3,059,766,622,229.54
  5. Step 5: Solve for x
    x = 3,059,766,622,229.54/1,619,999.10
  6. Step 6: Final answer
    x = 1,888,745.88

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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.