Home / 1,138,399.73-1,707,113.49-658,958.46

Finding the Fourth Proportional to 1,138,399.73, 1,707,113.49 and 658,958.46

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Solution

The fourth proportional to 1,138,399.73, 1,707,113.49 and 658,958.46 is: 988,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,399.73 : 1,707,113.49 = 658,958.46 : x
  2. Step 2: Convert to fraction form
    1,138,399.73/1,707,113.49 = 658,958.46/x
  3. Step 3: Cross multiply
    1,138,399.73x = 1,707,113.49 × 658,958.46
  4. Step 4: Simplify right side
    1,138,399.73x = 1,124,916,873,120.83
  5. Step 5: Solve for x
    x = 1,124,916,873,120.83/1,138,399.73
  6. Step 6: Final answer
    x = 988,156.31

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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.