Home / 1,112,731.93-1,669,079.79-354,563.16

Finding the Fourth Proportional to 1,112,731.93, 1,669,079.79 and 354,563.16

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Solution

The fourth proportional to 1,112,731.93, 1,669,079.79 and 354,563.16 is: 531,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,731.93 : 1,669,079.79 = 354,563.16 : x
  2. Step 2: Convert to fraction form
    1,112,731.93/1,669,079.79 = 354,563.16/x
  3. Step 3: Cross multiply
    1,112,731.93x = 1,669,079.79 × 354,563.16
  4. Step 4: Simplify right side
    1,112,731.93x = 591,794,203,921.09
  5. Step 5: Solve for x
    x = 591,794,203,921.09/1,112,731.93
  6. Step 6: Final answer
    x = 531,838.97

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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.