Home / 720,147.79-1,080,222.04-187,667.47

Finding the Fourth Proportional to 720,147.79, 1,080,222.04 and 187,667.47

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Solution

The fourth proportional to 720,147.79, 1,080,222.04 and 187,667.47 is: 281,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,147.79 : 1,080,222.04 = 187,667.47 : x
  2. Step 2: Convert to fraction form
    720,147.79/1,080,222.04 = 187,667.47/x
  3. Step 3: Cross multiply
    720,147.79x = 1,080,222.04 × 187,667.47
  4. Step 4: Simplify right side
    720,147.79x = 202,722,531,883.93
  5. Step 5: Solve for x
    x = 202,722,531,883.93/720,147.79
  6. Step 6: Final answer
    x = 281,501.29

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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.