Home / 1,107,714.36-1,661,584.86-308,947.26

Finding the Fourth Proportional to 1,107,714.36, 1,661,584.86 and 308,947.26

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Solution

The fourth proportional to 1,107,714.36, 1,661,584.86 and 308,947.26 is: 463,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,714.36 : 1,661,584.86 = 308,947.26 : x
  2. Step 2: Convert to fraction form
    1,107,714.36/1,661,584.86 = 308,947.26/x
  3. Step 3: Cross multiply
    1,107,714.36x = 1,661,584.86 × 308,947.26
  4. Step 4: Simplify right side
    1,107,714.36x = 513,342,089,754.48
  5. Step 5: Solve for x
    x = 513,342,089,754.48/1,107,714.36
  6. Step 6: Final answer
    x = 463,424.61

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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.