Home / 1,292,261.80-1,940,466.30-873,394.60

Finding the Fourth Proportional to 1,292,261.80, 1,940,466.30 and 873,394.60

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Solution

The fourth proportional to 1,292,261.80, 1,940,466.30 and 873,394.60 is: 1,311,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,261.80 : 1,940,466.30 = 873,394.60 : x
  2. Step 2: Convert to fraction form
    1,292,261.80/1,940,466.30 = 873,394.60/x
  3. Step 3: Cross multiply
    1,292,261.80x = 1,940,466.30 × 873,394.60
  4. Step 4: Simplify right side
    1,292,261.80x = 1,694,792,787,901.98
  5. Step 5: Solve for x
    x = 1,694,792,787,901.98/1,292,261.80
  6. Step 6: Final answer
    x = 1,311,493.37

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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.