Home / 1,616,794-2,425,181.28-418,713.28

Finding the Fourth Proportional to 1,616,794, 2,425,181.28 and 418,713.28

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Solution

The fourth proportional to 1,616,794, 2,425,181.28 and 418,713.28 is: 628,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,794 : 2,425,181.28 = 418,713.28 : x
  2. Step 2: Convert to fraction form
    1,616,794/2,425,181.28 = 418,713.28/x
  3. Step 3: Cross multiply
    1,616,794x = 2,425,181.28 × 418,713.28
  4. Step 4: Simplify right side
    1,616,794x = 1,015,455,608,343.40
  5. Step 5: Solve for x
    x = 1,015,455,608,343.40/1,616,794
  6. Step 6: Final answer
    x = 628,067.40

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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.