Home / 1,340,786.70-2,010,645.45-441,978.30

Finding the Fourth Proportional to 1,340,786.70, 2,010,645.45 and 441,978.30

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Solution

The fourth proportional to 1,340,786.70, 2,010,645.45 and 441,978.30 is: 662,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,786.70 : 2,010,645.45 = 441,978.30 : x
  2. Step 2: Convert to fraction form
    1,340,786.70/2,010,645.45 = 441,978.30/x
  3. Step 3: Cross multiply
    1,340,786.70x = 2,010,645.45 × 441,978.30
  4. Step 4: Simplify right side
    1,340,786.70x = 888,661,657,893.74
  5. Step 5: Solve for x
    x = 888,661,657,893.74/1,340,786.70
  6. Step 6: Final answer
    x = 662,791.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.