Home / 1,086,003.72-1,498,735.62-678,346.92

Finding the Fourth Proportional to 1,086,003.72, 1,498,735.62 and 678,346.92

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Solution

The fourth proportional to 1,086,003.72, 1,498,735.62 and 678,346.92 is: 936,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,003.72 : 1,498,735.62 = 678,346.92 : x
  2. Step 2: Convert to fraction form
    1,086,003.72/1,498,735.62 = 678,346.92/x
  3. Step 3: Cross multiply
    1,086,003.72x = 1,498,735.62 × 678,346.92
  4. Step 4: Simplify right side
    1,086,003.72x = 1,016,662,691,721.29
  5. Step 5: Solve for x
    x = 1,016,662,691,721.29/1,086,003.72
  6. Step 6: Final answer
    x = 936,150.28

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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.