Home / 1,198,653.66-1,797,977.25-987,442.38

Finding the Fourth Proportional to 1,198,653.66, 1,797,977.25 and 987,442.38

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Solution

The fourth proportional to 1,198,653.66, 1,797,977.25 and 987,442.38 is: 1,481,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,653.66 : 1,797,977.25 = 987,442.38 : x
  2. Step 2: Convert to fraction form
    1,198,653.66/1,797,977.25 = 987,442.38/x
  3. Step 3: Cross multiply
    1,198,653.66x = 1,797,977.25 × 987,442.38
  4. Step 4: Simplify right side
    1,198,653.66x = 1,775,398,934,925.86
  5. Step 5: Solve for x
    x = 1,775,398,934,925.86/1,198,653.66
  6. Step 6: Final answer
    x = 1,481,160.90

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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.