Home / 1,332,611.39-1,838,996.81-720,763.52

Finding the Fourth Proportional to 1,332,611.39, 1,838,996.81 and 720,763.52

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Solution

The fourth proportional to 1,332,611.39, 1,838,996.81 and 720,763.52 is: 994,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,611.39 : 1,838,996.81 = 720,763.52 : x
  2. Step 2: Convert to fraction form
    1,332,611.39/1,838,996.81 = 720,763.52/x
  3. Step 3: Cross multiply
    1,332,611.39x = 1,838,996.81 × 720,763.52
  4. Step 4: Simplify right side
    1,332,611.39x = 1,325,481,808,002.73
  5. Step 5: Solve for x
    x = 1,325,481,808,002.73/1,332,611.39
  6. Step 6: Final answer
    x = 994,649.91

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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.