Home / 1,427,067.25-2,140,915.73-416,268.32

Finding the Fourth Proportional to 1,427,067.25, 2,140,915.73 and 416,268.32

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Solution

The fourth proportional to 1,427,067.25, 2,140,915.73 and 416,268.32 is: 624,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,067.25 : 2,140,915.73 = 416,268.32 : x
  2. Step 2: Convert to fraction form
    1,427,067.25/2,140,915.73 = 416,268.32/x
  3. Step 3: Cross multiply
    1,427,067.25x = 2,140,915.73 × 416,268.32
  4. Step 4: Simplify right side
    1,427,067.25x = 891,195,381,402.75
  5. Step 5: Solve for x
    x = 891,195,381,402.75/1,427,067.25
  6. Step 6: Final answer
    x = 624,494.31

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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.