Home / 1,003,204.02-1,505,112.20-320,072.70

Finding the Fourth Proportional to 1,003,204.02, 1,505,112.20 and 320,072.70

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Solution

The fourth proportional to 1,003,204.02, 1,505,112.20 and 320,072.70 is: 480,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,204.02 : 1,505,112.20 = 320,072.70 : x
  2. Step 2: Convert to fraction form
    1,003,204.02/1,505,112.20 = 320,072.70/x
  3. Step 3: Cross multiply
    1,003,204.02x = 1,505,112.20 × 320,072.70
  4. Step 4: Simplify right side
    1,003,204.02x = 481,745,325,656.94
  5. Step 5: Solve for x
    x = 481,745,325,656.94/1,003,204.02
  6. Step 6: Final answer
    x = 480,206.73

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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.