Home / 1,179,067.98-1,768,975.81-420,893.20

Finding the Fourth Proportional to 1,179,067.98, 1,768,975.81 and 420,893.20

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Solution

The fourth proportional to 1,179,067.98, 1,768,975.81 and 420,893.20 is: 631,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,067.98 : 1,768,975.81 = 420,893.20 : x
  2. Step 2: Convert to fraction form
    1,179,067.98/1,768,975.81 = 420,893.20/x
  3. Step 3: Cross multiply
    1,179,067.98x = 1,768,975.81 × 420,893.20
  4. Step 4: Simplify right side
    1,179,067.98x = 744,549,890,445.73
  5. Step 5: Solve for x
    x = 744,549,890,445.73/1,179,067.98
  6. Step 6: Final answer
    x = 631,473.25

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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.