Home / 1,080,652.23-1,621,022.09-406,662.57

Finding the Fourth Proportional to 1,080,652.23, 1,621,022.09 and 406,662.57

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Solution

The fourth proportional to 1,080,652.23, 1,621,022.09 and 406,662.57 is: 610,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,652.23 : 1,621,022.09 = 406,662.57 : x
  2. Step 2: Convert to fraction form
    1,080,652.23/1,621,022.09 = 406,662.57/x
  3. Step 3: Cross multiply
    1,080,652.23x = 1,621,022.09 × 406,662.57
  4. Step 4: Simplify right side
    1,080,652.23x = 659,209,007,112.86
  5. Step 5: Solve for x
    x = 659,209,007,112.86/1,080,652.23
  6. Step 6: Final answer
    x = 610,010.31

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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.