Home / 1,332,192.86-1,838,424.84-720,344.15

Finding the Fourth Proportional to 1,332,192.86, 1,838,424.84 and 720,344.15

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Solution

The fourth proportional to 1,332,192.86, 1,838,424.84 and 720,344.15 is: 994,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,192.86 : 1,838,424.84 = 720,344.15 : x
  2. Step 2: Convert to fraction form
    1,332,192.86/1,838,424.84 = 720,344.15/x
  3. Step 3: Cross multiply
    1,332,192.86x = 1,838,424.84 × 720,344.15
  4. Step 4: Simplify right side
    1,332,192.86x = 1,324,298,583,304.75
  5. Step 5: Solve for x
    x = 1,324,298,583,304.75/1,332,192.86
  6. Step 6: Final answer
    x = 994,074.23

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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.