Home / 752,064.20-1,128,096.30-718,886.60

Finding the Fourth Proportional to 752,064.20, 1,128,096.30 and 718,886.60

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Solution

The fourth proportional to 752,064.20, 1,128,096.30 and 718,886.60 is: 1,078,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,064.20 : 1,128,096.30 = 718,886.60 : x
  2. Step 2: Convert to fraction form
    752,064.20/1,128,096.30 = 718,886.60/x
  3. Step 3: Cross multiply
    752,064.20x = 1,128,096.30 × 718,886.60
  4. Step 4: Simplify right side
    752,064.20x = 810,973,313,579.58
  5. Step 5: Solve for x
    x = 810,973,313,579.58/752,064.20
  6. Step 6: Final answer
    x = 1,078,329.90

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1.5x scale

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.