Home / 1,035,608.82-1,428,851.40-667,930.38

Finding the Fourth Proportional to 1,035,608.82, 1,428,851.40 and 667,930.38

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Solution

The fourth proportional to 1,035,608.82, 1,428,851.40 and 667,930.38 is: 921,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,608.82 : 1,428,851.40 = 667,930.38 : x
  2. Step 2: Convert to fraction form
    1,035,608.82/1,428,851.40 = 667,930.38/x
  3. Step 3: Cross multiply
    1,035,608.82x = 1,428,851.40 × 667,930.38
  4. Step 4: Simplify right side
    1,035,608.82x = 954,373,258,565.53
  5. Step 5: Solve for x
    x = 954,373,258,565.53/1,035,608.82
  6. Step 6: Final answer
    x = 921,557.68

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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.