Home / 1,244,039.16-1,866,055.44-345,481.32

Finding the Fourth Proportional to 1,244,039.16, 1,866,055.44 and 345,481.32

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Solution

The fourth proportional to 1,244,039.16, 1,866,055.44 and 345,481.32 is: 518,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,039.16 : 1,866,055.44 = 345,481.32 : x
  2. Step 2: Convert to fraction form
    1,244,039.16/1,866,055.44 = 345,481.32/x
  3. Step 3: Cross multiply
    1,244,039.16x = 1,866,055.44 × 345,481.32
  4. Step 4: Simplify right side
    1,244,039.16x = 644,687,296,604.38
  5. Step 5: Solve for x
    x = 644,687,296,604.38/1,244,039.16
  6. Step 6: Final answer
    x = 518,221.06

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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.