Home / 862,710.36-1,294,066.45-861,464.37

Finding the Fourth Proportional to 862,710.36, 1,294,066.45 and 861,464.37

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Solution

The fourth proportional to 862,710.36, 1,294,066.45 and 861,464.37 is: 1,292,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,710.36 : 1,294,066.45 = 861,464.37 : x
  2. Step 2: Convert to fraction form
    862,710.36/1,294,066.45 = 861,464.37/x
  3. Step 3: Cross multiply
    862,710.36x = 1,294,066.45 × 861,464.37
  4. Step 4: Simplify right side
    862,710.36x = 1,114,792,145,016.97
  5. Step 5: Solve for x
    x = 1,114,792,145,016.97/862,710.36
  6. Step 6: Final answer
    x = 1,292,197.48

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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.