Home / 1,109,759.83-1,663,640.06-399,287.97

Finding the Fourth Proportional to 1,109,759.83, 1,663,640.06 and 399,287.97

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Solution

The fourth proportional to 1,109,759.83, 1,663,640.06 and 399,287.97 is: 598,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,759.83 : 1,663,640.06 = 399,287.97 : x
  2. Step 2: Convert to fraction form
    1,109,759.83/1,663,640.06 = 399,287.97/x
  3. Step 3: Cross multiply
    1,109,759.83x = 1,663,640.06 × 399,287.97
  4. Step 4: Simplify right side
    1,109,759.83x = 664,271,463,366.30
  5. Step 5: Solve for x
    x = 664,271,463,366.30/1,109,759.83
  6. Step 6: Final answer
    x = 598,572.27

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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.