Home / 1,338,571.49-1,847,228.63-726,724.22

Finding the Fourth Proportional to 1,338,571.49, 1,847,228.63 and 726,724.22

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Solution

The fourth proportional to 1,338,571.49, 1,847,228.63 and 726,724.22 is: 1,002,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,571.49 : 1,847,228.63 = 726,724.22 : x
  2. Step 2: Convert to fraction form
    1,338,571.49/1,847,228.63 = 726,724.22/x
  3. Step 3: Cross multiply
    1,338,571.49x = 1,847,228.63 × 726,724.22
  4. Step 4: Simplify right side
    1,338,571.49x = 1,342,425,772,428.65
  5. Step 5: Solve for x
    x = 1,342,425,772,428.65/1,338,571.49
  6. Step 6: Final answer
    x = 1,002,879.40

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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.