Home / 862,999.38-1,294,942.62-661,887.45

Finding the Fourth Proportional to 862,999.38, 1,294,942.62 and 661,887.45

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Solution

The fourth proportional to 862,999.38, 1,294,942.62 and 661,887.45 is: 993,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,999.38 : 1,294,942.62 = 661,887.45 : x
  2. Step 2: Convert to fraction form
    862,999.38/1,294,942.62 = 661,887.45/x
  3. Step 3: Cross multiply
    862,999.38x = 1,294,942.62 × 661,887.45
  4. Step 4: Simplify right side
    862,999.38x = 857,106,268,648.12
  5. Step 5: Solve for x
    x = 857,106,268,648.12/862,999.38
  6. Step 6: Final answer
    x = 993,171.36

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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.