Home / 1,179,067.73-1,768,975.43-420,892.95

Finding the Fourth Proportional to 1,179,067.73, 1,768,975.43 and 420,892.95

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Solution

The fourth proportional to 1,179,067.73, 1,768,975.43 and 420,892.95 is: 631,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,067.73 : 1,768,975.43 = 420,892.95 : x
  2. Step 2: Convert to fraction form
    1,179,067.73/1,768,975.43 = 420,892.95/x
  3. Step 3: Cross multiply
    1,179,067.73x = 1,768,975.43 × 420,892.95
  4. Step 4: Simplify right side
    1,179,067.73x = 744,549,287,210.22
  5. Step 5: Solve for x
    x = 744,549,287,210.22/1,179,067.73
  6. Step 6: Final answer
    x = 631,472.87

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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.