Home / 1,208,129.73-1,667,174.18-664,233.14

Finding the Fourth Proportional to 1,208,129.73, 1,667,174.18 and 664,233.14

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Solution

The fourth proportional to 1,208,129.73, 1,667,174.18 and 664,233.14 is: 916,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,129.73 : 1,667,174.18 = 664,233.14 : x
  2. Step 2: Convert to fraction form
    1,208,129.73/1,667,174.18 = 664,233.14/x
  3. Step 3: Cross multiply
    1,208,129.73x = 1,667,174.18 × 664,233.14
  4. Step 4: Simplify right side
    1,208,129.73x = 1,107,392,328,851.29
  5. Step 5: Solve for x
    x = 1,107,392,328,851.29/1,208,129.73
  6. Step 6: Final answer
    x = 916,617.07

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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.