Home / 1,638,546.75-2,260,268.42-1,025,635.55

Finding the Fourth Proportional to 1,638,546.75, 2,260,268.42 and 1,025,635.55

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Solution

The fourth proportional to 1,638,546.75, 2,260,268.42 and 1,025,635.55 is: 1,414,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,546.75 : 2,260,268.42 = 1,025,635.55 : x
  2. Step 2: Convert to fraction form
    1,638,546.75/2,260,268.42 = 1,025,635.55/x
  3. Step 3: Cross multiply
    1,638,546.75x = 2,260,268.42 × 1,025,635.55
  4. Step 4: Simplify right side
    1,638,546.75x = 2,318,211,627,664.81
  5. Step 5: Solve for x
    x = 2,318,211,627,664.81/1,638,546.75
  6. Step 6: Final answer
    x = 1,414,797.37

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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.