Home / 1,645,731.00-2,270,115.69-1,086,928.80

Finding the Fourth Proportional to 1,645,731.00, 2,270,115.69 and 1,086,928.80

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Solution

The fourth proportional to 1,645,731.00, 2,270,115.69 and 1,086,928.80 is: 1,499,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,731.00 : 2,270,115.69 = 1,086,928.80 : x
  2. Step 2: Convert to fraction form
    1,645,731.00/2,270,115.69 = 1,086,928.80/x
  3. Step 3: Cross multiply
    1,645,731.00x = 2,270,115.69 × 1,086,928.80
  4. Step 4: Simplify right side
    1,645,731.00x = 2,467,454,122,792.87
  5. Step 5: Solve for x
    x = 2,467,454,122,792.87/1,645,731.00
  6. Step 6: Final answer
    x = 1,499,305.86

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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.