Home / 1,179,067.23-1,768,974.69-420,892.45

Finding the Fourth Proportional to 1,179,067.23, 1,768,974.69 and 420,892.45

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Solution

The fourth proportional to 1,179,067.23, 1,768,974.69 and 420,892.45 is: 631,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,067.23 : 1,768,974.69 = 420,892.45 : x
  2. Step 2: Convert to fraction form
    1,179,067.23/1,768,974.69 = 420,892.45/x
  3. Step 3: Cross multiply
    1,179,067.23x = 1,768,974.69 × 420,892.45
  4. Step 4: Simplify right side
    1,179,067.23x = 744,548,080,312.76
  5. Step 5: Solve for x
    x = 744,548,080,312.76/1,179,067.23
  6. Step 6: Final answer
    x = 631,472.12

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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.