Home / 1,233,815.93-1,702,654.31-689,945.48

Finding the Fourth Proportional to 1,233,815.93, 1,702,654.31 and 689,945.48

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Solution

The fourth proportional to 1,233,815.93, 1,702,654.31 and 689,945.48 is: 952,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,815.93 : 1,702,654.31 = 689,945.48 : x
  2. Step 2: Convert to fraction form
    1,233,815.93/1,702,654.31 = 689,945.48/x
  3. Step 3: Cross multiply
    1,233,815.93x = 1,702,654.31 × 689,945.48
  4. Step 4: Simplify right side
    1,233,815.93x = 1,174,738,645,187.02
  5. Step 5: Solve for x
    x = 1,174,738,645,187.02/1,233,815.93
  6. Step 6: Final answer
    x = 952,118.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.