Home / 1,294,072.80-1,940,763.60-395,512.80

Finding the Fourth Proportional to 1,294,072.80, 1,940,763.60 and 395,512.80

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Solution

The fourth proportional to 1,294,072.80, 1,940,763.60 and 395,512.80 is: 593,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,072.80 : 1,940,763.60 = 395,512.80 : x
  2. Step 2: Convert to fraction form
    1,294,072.80/1,940,763.60 = 395,512.80/x
  3. Step 3: Cross multiply
    1,294,072.80x = 1,940,763.60 × 395,512.80
  4. Step 4: Simplify right side
    1,294,072.80x = 767,596,845,574.08
  5. Step 5: Solve for x
    x = 767,596,845,574.08/1,294,072.80
  6. Step 6: Final answer
    x = 593,163.57

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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.