Home / 1,108,908.41-1,529,917.70-904,606.16

Finding the Fourth Proportional to 1,108,908.41, 1,529,917.70 and 904,606.16

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Solution

The fourth proportional to 1,108,908.41, 1,529,917.70 and 904,606.16 is: 1,248,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,908.41 : 1,529,917.70 = 904,606.16 : x
  2. Step 2: Convert to fraction form
    1,108,908.41/1,529,917.70 = 904,606.16/x
  3. Step 3: Cross multiply
    1,108,908.41x = 1,529,917.70 × 904,606.16
  4. Step 4: Simplify right side
    1,108,908.41x = 1,383,972,963,540.41
  5. Step 5: Solve for x
    x = 1,383,972,963,540.41/1,108,908.41
  6. Step 6: Final answer
    x = 1,248,049.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.