Home / 1,295,111.80-1,942,497.60-396,643.60

Finding the Fourth Proportional to 1,295,111.80, 1,942,497.60 and 396,643.60

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Solution

The fourth proportional to 1,295,111.80, 1,942,497.60 and 396,643.60 is: 594,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,111.80 : 1,942,497.60 = 396,643.60 : x
  2. Step 2: Convert to fraction form
    1,295,111.80/1,942,497.60 = 396,643.60/x
  3. Step 3: Cross multiply
    1,295,111.80x = 1,942,497.60 × 396,643.60
  4. Step 4: Simplify right side
    1,295,111.80x = 770,479,241,055.36
  5. Step 5: Solve for x
    x = 770,479,241,055.36/1,295,111.80
  6. Step 6: Final answer
    x = 594,913.30

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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.