Home / 1,244,126.77-1,865,078.83-485,791.81

Finding the Fourth Proportional to 1,244,126.77, 1,865,078.83 and 485,791.81

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Solution

The fourth proportional to 1,244,126.77, 1,865,078.83 and 485,791.81 is: 728,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,126.77 : 1,865,078.83 = 485,791.81 : x
  2. Step 2: Convert to fraction form
    1,244,126.77/1,865,078.83 = 485,791.81/x
  3. Step 3: Cross multiply
    1,244,126.77x = 1,865,078.83 × 485,791.81
  4. Step 4: Simplify right side
    1,244,126.77x = 906,040,008,864.03
  5. Step 5: Solve for x
    x = 906,040,008,864.03/1,244,126.77
  6. Step 6: Final answer
    x = 728,253.77

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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.