Home / 1,027,855.80-1,541,880.90-279,901.80

Finding the Fourth Proportional to 1,027,855.80, 1,541,880.90 and 279,901.80

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Solution

The fourth proportional to 1,027,855.80, 1,541,880.90 and 279,901.80 is: 419,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,855.80 : 1,541,880.90 = 279,901.80 : x
  2. Step 2: Convert to fraction form
    1,027,855.80/1,541,880.90 = 279,901.80/x
  3. Step 3: Cross multiply
    1,027,855.80x = 1,541,880.90 × 279,901.80
  4. Step 4: Simplify right side
    1,027,855.80x = 431,575,239,295.62
  5. Step 5: Solve for x
    x = 431,575,239,295.62/1,027,855.80
  6. Step 6: Final answer
    x = 419,879.17

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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.