Home / 720,172.62-1,080,259.74-187,693.20

Finding the Fourth Proportional to 720,172.62, 1,080,259.74 and 187,693.20

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Solution

The fourth proportional to 720,172.62, 1,080,259.74 and 187,693.20 is: 281,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,172.62 : 1,080,259.74 = 187,693.20 : x
  2. Step 2: Convert to fraction form
    720,172.62/1,080,259.74 = 187,693.20/x
  3. Step 3: Cross multiply
    720,172.62x = 1,080,259.74 × 187,693.20
  4. Step 4: Simplify right side
    720,172.62x = 202,757,407,431.77
  5. Step 5: Solve for x
    x = 202,757,407,431.77/720,172.62
  6. Step 6: Final answer
    x = 281,540.01

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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.