Home / 1,988,080.03-2,743,773.12-1,203,578.35

Finding the Fourth Proportional to 1,988,080.03, 2,743,773.12 and 1,203,578.35

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Solution

The fourth proportional to 1,988,080.03, 2,743,773.12 and 1,203,578.35 is: 1,661,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,080.03 : 2,743,773.12 = 1,203,578.35 : x
  2. Step 2: Convert to fraction form
    1,988,080.03/2,743,773.12 = 1,203,578.35/x
  3. Step 3: Cross multiply
    1,988,080.03x = 2,743,773.12 × 1,203,578.35
  4. Step 4: Simplify right side
    1,988,080.03x = 3,302,345,924,543.95
  5. Step 5: Solve for x
    x = 3,302,345,924,543.95/1,988,080.03
  6. Step 6: Final answer
    x = 1,661,072.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.