Home / 1,204,629.44-1,662,358.65-688,350.57

Finding the Fourth Proportional to 1,204,629.44, 1,662,358.65 and 688,350.57

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Solution

The fourth proportional to 1,204,629.44, 1,662,358.65 and 688,350.57 is: 949,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,629.44 : 1,662,358.65 = 688,350.57 : x
  2. Step 2: Convert to fraction form
    1,204,629.44/1,662,358.65 = 688,350.57/x
  3. Step 3: Cross multiply
    1,204,629.44x = 1,662,358.65 × 688,350.57
  4. Step 4: Simplify right side
    1,204,629.44x = 1,144,285,524,271.93
  5. Step 5: Solve for x
    x = 1,144,285,524,271.93/1,204,629.44
  6. Step 6: Final answer
    x = 949,906.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.