Home / 1,687,968.56-2,532,175.14-550,331.12

Finding the Fourth Proportional to 1,687,968.56, 2,532,175.14 and 550,331.12

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Solution

The fourth proportional to 1,687,968.56, 2,532,175.14 and 550,331.12 is: 825,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,968.56 : 2,532,175.14 = 550,331.12 : x
  2. Step 2: Convert to fraction form
    1,687,968.56/2,532,175.14 = 550,331.12/x
  3. Step 3: Cross multiply
    1,687,968.56x = 2,532,175.14 × 550,331.12
  4. Step 4: Simplify right side
    1,687,968.56x = 1,393,534,780,832.36
  5. Step 5: Solve for x
    x = 1,393,534,780,832.36/1,687,968.56
  6. Step 6: Final answer
    x = 825,569.16

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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.