Home / 1,561,194.60-2,340,236.70-718,276.20

Finding the Fourth Proportional to 1,561,194.60, 2,340,236.70 and 718,276.20

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Solution

The fourth proportional to 1,561,194.60, 2,340,236.70 and 718,276.20 is: 1,076,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,194.60 : 2,340,236.70 = 718,276.20 : x
  2. Step 2: Convert to fraction form
    1,561,194.60/2,340,236.70 = 718,276.20/x
  3. Step 3: Cross multiply
    1,561,194.60x = 2,340,236.70 × 718,276.20
  4. Step 4: Simplify right side
    1,561,194.60x = 1,680,936,323,976.54
  5. Step 5: Solve for x
    x = 1,680,936,323,976.54/1,561,194.60
  6. Step 6: Final answer
    x = 1,076,698.78

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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.