Home / 1,338,299.82-1,846,803.68-726,439.42

Finding the Fourth Proportional to 1,338,299.82, 1,846,803.68 and 726,439.42

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Solution

The fourth proportional to 1,338,299.82, 1,846,803.68 and 726,439.42 is: 1,002,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,299.82 : 1,846,803.68 = 726,439.42 : x
  2. Step 2: Convert to fraction form
    1,338,299.82/1,846,803.68 = 726,439.42/x
  3. Step 3: Cross multiply
    1,338,299.82x = 1,846,803.68 × 726,439.42
  4. Step 4: Simplify right side
    1,338,299.82x = 1,341,590,994,153.07
  5. Step 5: Solve for x
    x = 1,341,590,994,153.07/1,338,299.82
  6. Step 6: Final answer
    x = 1,002,459.22

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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.