Home / 1,296,247.80-1,944,371.70-764,806.80

Finding the Fourth Proportional to 1,296,247.80, 1,944,371.70 and 764,806.80

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Solution

The fourth proportional to 1,296,247.80, 1,944,371.70 and 764,806.80 is: 1,147,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,247.80 : 1,944,371.70 = 764,806.80 : x
  2. Step 2: Convert to fraction form
    1,296,247.80/1,944,371.70 = 764,806.80/x
  3. Step 3: Cross multiply
    1,296,247.80x = 1,944,371.70 × 764,806.80
  4. Step 4: Simplify right side
    1,296,247.80x = 1,487,068,697,887.56
  5. Step 5: Solve for x
    x = 1,487,068,697,887.56/1,296,247.80
  6. Step 6: Final answer
    x = 1,147,210.20

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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.