Home / 1,338,249.79-1,846,817.50-726,401.00

Finding the Fourth Proportional to 1,338,249.79, 1,846,817.50 and 726,401.00

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Solution

The fourth proportional to 1,338,249.79, 1,846,817.50 and 726,401.00 is: 1,002,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,249.79 : 1,846,817.50 = 726,401.00 : x
  2. Step 2: Convert to fraction form
    1,338,249.79/1,846,817.50 = 726,401.00/x
  3. Step 3: Cross multiply
    1,338,249.79x = 1,846,817.50 × 726,401.00
  4. Step 4: Simplify right side
    1,338,249.79x = 1,341,530,083,448.07
  5. Step 5: Solve for x
    x = 1,341,530,083,448.07/1,338,249.79
  6. Step 6: Final answer
    x = 1,002,451.18

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1.5x scale

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.