Home / 1,267,745.80-1,749,479.16-694,784.60

Finding the Fourth Proportional to 1,267,745.80, 1,749,479.16 and 694,784.60

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Solution

The fourth proportional to 1,267,745.80, 1,749,479.16 and 694,784.60 is: 958,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,745.80 : 1,749,479.16 = 694,784.60 : x
  2. Step 2: Convert to fraction form
    1,267,745.80/1,749,479.16 = 694,784.60/x
  3. Step 3: Cross multiply
    1,267,745.80x = 1,749,479.16 × 694,784.60
  4. Step 4: Simplify right side
    1,267,745.80x = 1,215,511,178,388.94
  5. Step 5: Solve for x
    x = 1,215,511,178,388.94/1,267,745.80
  6. Step 6: Final answer
    x = 958,797.24

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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.