Home / 1,299,419.56-1,949,407.46-388,673.48

Finding the Fourth Proportional to 1,299,419.56, 1,949,407.46 and 388,673.48

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Solution

The fourth proportional to 1,299,419.56, 1,949,407.46 and 388,673.48 is: 583,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,419.56 : 1,949,407.46 = 388,673.48 : x
  2. Step 2: Convert to fraction form
    1,299,419.56/1,949,407.46 = 388,673.48/x
  3. Step 3: Cross multiply
    1,299,419.56x = 1,949,407.46 × 388,673.48
  4. Step 4: Simplify right side
    1,299,419.56x = 757,682,981,416.16
  5. Step 5: Solve for x
    x = 757,682,981,416.16/1,299,419.56
  6. Step 6: Final answer
    x = 583,093.41

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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.