Home / 1,229,739.73-1,844,557.25-420,196.88

Finding the Fourth Proportional to 1,229,739.73, 1,844,557.25 and 420,196.88

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Solution

The fourth proportional to 1,229,739.73, 1,844,557.25 and 420,196.88 is: 630,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,739.73 : 1,844,557.25 = 420,196.88 : x
  2. Step 2: Convert to fraction form
    1,229,739.73/1,844,557.25 = 420,196.88/x
  3. Step 3: Cross multiply
    1,229,739.73x = 1,844,557.25 × 420,196.88
  4. Step 4: Simplify right side
    1,229,739.73x = 775,077,203,941.79
  5. Step 5: Solve for x
    x = 775,077,203,941.79/1,229,739.73
  6. Step 6: Final answer
    x = 630,277.44

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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.