Home / 1,295,029.80-1,942,374.60-396,561.60

Finding the Fourth Proportional to 1,295,029.80, 1,942,374.60 and 396,561.60

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Solution

The fourth proportional to 1,295,029.80, 1,942,374.60 and 396,561.60 is: 594,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,029.80 : 1,942,374.60 = 396,561.60 : x
  2. Step 2: Convert to fraction form
    1,295,029.80/1,942,374.60 = 396,561.60/x
  3. Step 3: Cross multiply
    1,295,029.80x = 1,942,374.60 × 396,561.60
  4. Step 4: Simplify right side
    1,295,029.80x = 770,271,179,175.36
  5. Step 5: Solve for x
    x = 770,271,179,175.36/1,295,029.80
  6. Step 6: Final answer
    x = 594,790.31

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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.