Home / 1,338,729.68-1,847,479.05-726,908.22

Finding the Fourth Proportional to 1,338,729.68, 1,847,479.05 and 726,908.22

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Solution

The fourth proportional to 1,338,729.68, 1,847,479.05 and 726,908.22 is: 1,003,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,729.68 : 1,847,479.05 = 726,908.22 : x
  2. Step 2: Convert to fraction form
    1,338,729.68/1,847,479.05 = 726,908.22/x
  3. Step 3: Cross multiply
    1,338,729.68x = 1,847,479.05 × 726,908.22
  4. Step 4: Simplify right side
    1,338,729.68x = 1,342,947,714,650.84
  5. Step 5: Solve for x
    x = 1,342,947,714,650.84/1,338,729.68
  6. Step 6: Final answer
    x = 1,003,150.78

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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.