Home / 1,628,128.44-2,441,579.22-681,564.60

Finding the Fourth Proportional to 1,628,128.44, 2,441,579.22 and 681,564.60

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Solution

The fourth proportional to 1,628,128.44, 2,441,579.22 and 681,564.60 is: 1,022,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,128.44 : 2,441,579.22 = 681,564.60 : x
  2. Step 2: Convert to fraction form
    1,628,128.44/2,441,579.22 = 681,564.60/x
  3. Step 3: Cross multiply
    1,628,128.44x = 2,441,579.22 × 681,564.60
  4. Step 4: Simplify right side
    1,628,128.44x = 1,664,093,964,447.61
  5. Step 5: Solve for x
    x = 1,664,093,964,447.61/1,628,128.44
  6. Step 6: Final answer
    x = 1,022,090.10

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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.