Home / 1,775,771.40-2,664,002.70-764,891.40

Finding the Fourth Proportional to 1,775,771.40, 2,664,002.70 and 764,891.40

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Solution

The fourth proportional to 1,775,771.40, 2,664,002.70 and 764,891.40 is: 1,147,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,771.40 : 2,664,002.70 = 764,891.40 : x
  2. Step 2: Convert to fraction form
    1,775,771.40/2,664,002.70 = 764,891.40/x
  3. Step 3: Cross multiply
    1,775,771.40x = 2,664,002.70 × 764,891.40
  4. Step 4: Simplify right side
    1,775,771.40x = 2,037,672,754,806.78
  5. Step 5: Solve for x
    x = 2,037,672,754,806.78/1,775,771.40
  6. Step 6: Final answer
    x = 1,147,485.96

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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.