Home / 1,293,846.80-1,940,424.60-395,286.80

Finding the Fourth Proportional to 1,293,846.80, 1,940,424.60 and 395,286.80

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Solution

The fourth proportional to 1,293,846.80, 1,940,424.60 and 395,286.80 is: 592,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,846.80 : 1,940,424.60 = 395,286.80 : x
  2. Step 2: Convert to fraction form
    1,293,846.80/1,940,424.60 = 395,286.80/x
  3. Step 3: Cross multiply
    1,293,846.80x = 1,940,424.60 × 395,286.80
  4. Step 4: Simplify right side
    1,293,846.80x = 767,024,230,775.28
  5. Step 5: Solve for x
    x = 767,024,230,775.28/1,293,846.80
  6. Step 6: Final answer
    x = 592,824.61

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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.