Home / 747,980.82-1,121,971.17-187,015.32

Finding the Fourth Proportional to 747,980.82, 1,121,971.17 and 187,015.32

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Solution

The fourth proportional to 747,980.82, 1,121,971.17 and 187,015.32 is: 280,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,980.82 : 1,121,971.17 = 187,015.32 : x
  2. Step 2: Convert to fraction form
    747,980.82/1,121,971.17 = 187,015.32/x
  3. Step 3: Cross multiply
    747,980.82x = 1,121,971.17 × 187,015.32
  4. Step 4: Simplify right side
    747,980.82x = 209,825,797,388.32
  5. Step 5: Solve for x
    x = 209,825,797,388.32/747,980.82
  6. Step 6: Final answer
    x = 280,522.96

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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.