Home / 1,130,791.73-1,695,400.27-420,629.09

Finding the Fourth Proportional to 1,130,791.73, 1,695,400.27 and 420,629.09

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Solution

The fourth proportional to 1,130,791.73, 1,695,400.27 and 420,629.09 is: 630,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,791.73 : 1,695,400.27 = 420,629.09 : x
  2. Step 2: Convert to fraction form
    1,130,791.73/1,695,400.27 = 420,629.09/x
  3. Step 3: Cross multiply
    1,130,791.73x = 1,695,400.27 × 420,629.09
  4. Step 4: Simplify right side
    1,130,791.73x = 713,134,663,227.28
  5. Step 5: Solve for x
    x = 713,134,663,227.28/1,130,791.73
  6. Step 6: Final answer
    x = 630,650.76

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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.