Home / 1,559,995.20-2,339,992.80-929,620.80

Finding the Fourth Proportional to 1,559,995.20, 2,339,992.80 and 929,620.80

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Solution

The fourth proportional to 1,559,995.20, 2,339,992.80 and 929,620.80 is: 1,394,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,995.20 : 2,339,992.80 = 929,620.80 : x
  2. Step 2: Convert to fraction form
    1,559,995.20/2,339,992.80 = 929,620.80/x
  3. Step 3: Cross multiply
    1,559,995.20x = 2,339,992.80 × 929,620.80
  4. Step 4: Simplify right side
    1,559,995.20x = 2,175,305,978,730.24
  5. Step 5: Solve for x
    x = 2,175,305,978,730.24/1,559,995.20
  6. Step 6: Final answer
    x = 1,394,431.20

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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.