Home / 1,086,260.20-1,628,735.74-487,113

Finding the Fourth Proportional to 1,086,260.20, 1,628,735.74 and 487,113

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Solution

The fourth proportional to 1,086,260.20, 1,628,735.74 and 487,113 is: 730,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,260.20 : 1,628,735.74 = 487,113 : x
  2. Step 2: Convert to fraction form
    1,086,260.20/1,628,735.74 = 487,113/x
  3. Step 3: Cross multiply
    1,086,260.20x = 1,628,735.74 × 487,113
  4. Step 4: Simplify right side
    1,086,260.20x = 793,378,352,518.62
  5. Step 5: Solve for x
    x = 793,378,352,518.62/1,086,260.20
  6. Step 6: Final answer
    x = 730,375.97

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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.