Home / 1,086,259.20-1,628,734.24-487,112

Finding the Fourth Proportional to 1,086,259.20, 1,628,734.24 and 487,112

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Solution

The fourth proportional to 1,086,259.20, 1,628,734.24 and 487,112 is: 730,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,259.20 : 1,628,734.24 = 487,112 : x
  2. Step 2: Convert to fraction form
    1,086,259.20/1,628,734.24 = 487,112/x
  3. Step 3: Cross multiply
    1,086,259.20x = 1,628,734.24 × 487,112
  4. Step 4: Simplify right side
    1,086,259.20x = 793,375,993,114.88
  5. Step 5: Solve for x
    x = 793,375,993,114.88/1,086,259.20
  6. Step 6: Final answer
    x = 730,374.48

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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.