Home / 1,126,231.06-1,688,993.64-367,899.78

Finding the Fourth Proportional to 1,126,231.06, 1,688,993.64 and 367,899.78

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Solution

The fourth proportional to 1,126,231.06, 1,688,993.64 and 367,899.78 is: 551,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,231.06 : 1,688,993.64 = 367,899.78 : x
  2. Step 2: Convert to fraction form
    1,126,231.06/1,688,993.64 = 367,899.78/x
  3. Step 3: Cross multiply
    1,126,231.06x = 1,688,993.64 × 367,899.78
  4. Step 4: Simplify right side
    1,126,231.06x = 621,380,388,577.40
  5. Step 5: Solve for x
    x = 621,380,388,577.40/1,126,231.06
  6. Step 6: Final answer
    x = 551,734.37

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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.