Home / 1,172,922.80-1,757,310.60-1,040,212.40

Finding the Fourth Proportional to 1,172,922.80, 1,757,310.60 and 1,040,212.40

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Solution

The fourth proportional to 1,172,922.80, 1,757,310.60 and 1,040,212.40 is: 1,558,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,922.80 : 1,757,310.60 = 1,040,212.40 : x
  2. Step 2: Convert to fraction form
    1,172,922.80/1,757,310.60 = 1,040,212.40/x
  3. Step 3: Cross multiply
    1,172,922.80x = 1,757,310.60 × 1,040,212.40
  4. Step 4: Simplify right side
    1,172,922.80x = 1,827,976,276,771.44
  5. Step 5: Solve for x
    x = 1,827,976,276,771.44/1,172,922.80
  6. Step 6: Final answer
    x = 1,558,479.62

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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.