Home / 1,181,077.10-1,771,619.32-328,195.44

Finding the Fourth Proportional to 1,181,077.10, 1,771,619.32 and 328,195.44

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Solution

The fourth proportional to 1,181,077.10, 1,771,619.32 and 328,195.44 is: 492,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,077.10 : 1,771,619.32 = 328,195.44 : x
  2. Step 2: Convert to fraction form
    1,181,077.10/1,771,619.32 = 328,195.44/x
  3. Step 3: Cross multiply
    1,181,077.10x = 1,771,619.32 × 328,195.44
  4. Step 4: Simplify right side
    1,181,077.10x = 581,437,382,239.90
  5. Step 5: Solve for x
    x = 581,437,382,239.90/1,181,077.10
  6. Step 6: Final answer
    x = 492,294.18

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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.