Home / 1,326,610.44-1,989,915.66-329,338.44

Finding the Fourth Proportional to 1,326,610.44, 1,989,915.66 and 329,338.44

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Solution

The fourth proportional to 1,326,610.44, 1,989,915.66 and 329,338.44 is: 494,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,610.44 : 1,989,915.66 = 329,338.44 : x
  2. Step 2: Convert to fraction form
    1,326,610.44/1,989,915.66 = 329,338.44/x
  3. Step 3: Cross multiply
    1,326,610.44x = 1,989,915.66 × 329,338.44
  4. Step 4: Simplify right side
    1,326,610.44x = 655,355,719,195.97
  5. Step 5: Solve for x
    x = 655,355,719,195.97/1,326,610.44
  6. Step 6: Final answer
    x = 494,007.66

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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.