Home / 1,489,112.40-2,055,014.56-844,410.72

Finding the Fourth Proportional to 1,489,112.40, 2,055,014.56 and 844,410.72

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Solution

The fourth proportional to 1,489,112.40, 2,055,014.56 and 844,410.72 is: 1,165,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,112.40 : 2,055,014.56 = 844,410.72 : x
  2. Step 2: Convert to fraction form
    1,489,112.40/2,055,014.56 = 844,410.72/x
  3. Step 3: Cross multiply
    1,489,112.40x = 2,055,014.56 × 844,410.72
  4. Step 4: Simplify right side
    1,489,112.40x = 1,735,276,324,220.08
  5. Step 5: Solve for x
    x = 1,735,276,324,220.08/1,489,112.40
  6. Step 6: Final answer
    x = 1,165,309.16

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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.