Home / 1,121,908.92-1,558,685.96-1,108,456.82

Finding the Fourth Proportional to 1,121,908.92, 1,558,685.96 and 1,108,456.82

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Solution

The fourth proportional to 1,121,908.92, 1,558,685.96 and 1,108,456.82 is: 1,539,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,908.92 : 1,558,685.96 = 1,108,456.82 : x
  2. Step 2: Convert to fraction form
    1,121,908.92/1,558,685.96 = 1,108,456.82/x
  3. Step 3: Cross multiply
    1,121,908.92x = 1,558,685.96 × 1,108,456.82
  4. Step 4: Simplify right side
    1,121,908.92x = 1,727,736,069,264.53
  5. Step 5: Solve for x
    x = 1,727,736,069,264.53/1,121,908.92
  6. Step 6: Final answer
    x = 1,539,996.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.