Home / 1,330,003.80-1,835,449.20-726,391.80

Finding the Fourth Proportional to 1,330,003.80, 1,835,449.20 and 726,391.80

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Solution

The fourth proportional to 1,330,003.80, 1,835,449.20 and 726,391.80 is: 1,002,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,003.80 : 1,835,449.20 = 726,391.80 : x
  2. Step 2: Convert to fraction form
    1,330,003.80/1,835,449.20 = 726,391.80/x
  3. Step 3: Cross multiply
    1,330,003.80x = 1,835,449.20 × 726,391.80
  4. Step 4: Simplify right side
    1,330,003.80x = 1,333,255,248,196.56
  5. Step 5: Solve for x
    x = 1,333,255,248,196.56/1,330,003.80
  6. Step 6: Final answer
    x = 1,002,444.69

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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.