Home / 750,731.72-1,126,097.57-189,766.22

Finding the Fourth Proportional to 750,731.72, 1,126,097.57 and 189,766.22

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Solution

The fourth proportional to 750,731.72, 1,126,097.57 and 189,766.22 is: 284,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,731.72 : 1,126,097.57 = 189,766.22 : x
  2. Step 2: Convert to fraction form
    750,731.72/1,126,097.57 = 189,766.22/x
  3. Step 3: Cross multiply
    750,731.72x = 1,126,097.57 × 189,766.22
  4. Step 4: Simplify right side
    750,731.72x = 213,695,274,054.01
  5. Step 5: Solve for x
    x = 213,695,274,054.01/750,731.72
  6. Step 6: Final answer
    x = 284,649.32

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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.