Home / 1,643,522.94-2,268,286.94-945,789.41

Finding the Fourth Proportional to 1,643,522.94, 2,268,286.94 and 945,789.41

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Solution

The fourth proportional to 1,643,522.94, 2,268,286.94 and 945,789.41 is: 1,305,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,522.94 : 2,268,286.94 = 945,789.41 : x
  2. Step 2: Convert to fraction form
    1,643,522.94/2,268,286.94 = 945,789.41/x
  3. Step 3: Cross multiply
    1,643,522.94x = 2,268,286.94 × 945,789.41
  4. Step 4: Simplify right side
    1,643,522.94x = 2,145,321,774,728.50
  5. Step 5: Solve for x
    x = 2,145,321,774,728.50/1,643,522.94
  6. Step 6: Final answer
    x = 1,305,319.03

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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.