Home / 1,276,534.60-1,912,833.60-1,107,260.80

Finding the Fourth Proportional to 1,276,534.60, 1,912,833.60 and 1,107,260.80

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Solution

The fourth proportional to 1,276,534.60, 1,912,833.60 and 1,107,260.80 is: 1,659,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,534.60 : 1,912,833.60 = 1,107,260.80 : x
  2. Step 2: Convert to fraction form
    1,276,534.60/1,912,833.60 = 1,107,260.80/x
  3. Step 3: Cross multiply
    1,276,534.60x = 1,912,833.60 × 1,107,260.80
  4. Step 4: Simplify right side
    1,276,534.60x = 2,118,005,662,202.88
  5. Step 5: Solve for x
    x = 2,118,005,662,202.88/1,276,534.60
  6. Step 6: Final answer
    x = 1,659,183.90

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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.