Home / 1,800,997.47-2,485,396.31-985,201.25

Finding the Fourth Proportional to 1,800,997.47, 2,485,396.31 and 985,201.25

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Solution

The fourth proportional to 1,800,997.47, 2,485,396.31 and 985,201.25 is: 1,359,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,997.47 : 2,485,396.31 = 985,201.25 : x
  2. Step 2: Convert to fraction form
    1,800,997.47/2,485,396.31 = 985,201.25/x
  3. Step 3: Cross multiply
    1,800,997.47x = 2,485,396.31 × 985,201.25
  4. Step 4: Simplify right side
    1,800,997.47x = 2,448,615,534,004.40
  5. Step 5: Solve for x
    x = 2,448,615,534,004.40/1,800,997.47
  6. Step 6: Final answer
    x = 1,359,588.55

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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.