Home / 1,439,074.80-1,985,871.24-794,481.36

Finding the Fourth Proportional to 1,439,074.80, 1,985,871.24 and 794,481.36

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Solution

The fourth proportional to 1,439,074.80, 1,985,871.24 and 794,481.36 is: 1,096,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,074.80 : 1,985,871.24 = 794,481.36 : x
  2. Step 2: Convert to fraction form
    1,439,074.80/1,985,871.24 = 794,481.36/x
  3. Step 3: Cross multiply
    1,439,074.80x = 1,985,871.24 × 794,481.36
  4. Step 4: Simplify right side
    1,439,074.80x = 1,577,737,683,540.09
  5. Step 5: Solve for x
    x = 1,577,737,683,540.09/1,439,074.80
  6. Step 6: Final answer
    x = 1,096,355.58

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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.