Home / 1,211,610.36-1,815,084.18-677,511.48

Finding the Fourth Proportional to 1,211,610.36, 1,815,084.18 and 677,511.48

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Solution

The fourth proportional to 1,211,610.36, 1,815,084.18 and 677,511.48 is: 1,014,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,610.36 : 1,815,084.18 = 677,511.48 : x
  2. Step 2: Convert to fraction form
    1,211,610.36/1,815,084.18 = 677,511.48/x
  3. Step 3: Cross multiply
    1,211,610.36x = 1,815,084.18 × 677,511.48
  4. Step 4: Simplify right side
    1,211,610.36x = 1,229,740,369,116.39
  5. Step 5: Solve for x
    x = 1,229,740,369,116.39/1,211,610.36
  6. Step 6: Final answer
    x = 1,014,963.56

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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.