Home / 1,512,125.40-2,268,844.20-764,171.40

Finding the Fourth Proportional to 1,512,125.40, 2,268,844.20 and 764,171.40

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Solution

The fourth proportional to 1,512,125.40, 2,268,844.20 and 764,171.40 is: 1,146,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,125.40 : 2,268,844.20 = 764,171.40 : x
  2. Step 2: Convert to fraction form
    1,512,125.40/2,268,844.20 = 764,171.40/x
  3. Step 3: Cross multiply
    1,512,125.40x = 2,268,844.20 × 764,171.40
  4. Step 4: Simplify right side
    1,512,125.40x = 1,733,785,848,695.88
  5. Step 5: Solve for x
    x = 1,733,785,848,695.88/1,512,125.40
  6. Step 6: Final answer
    x = 1,146,588.67

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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.