Home / 1,200,992.80-1,801,206.08-442,422.24

Finding the Fourth Proportional to 1,200,992.80, 1,801,206.08 and 442,422.24

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Solution

The fourth proportional to 1,200,992.80, 1,801,206.08 and 442,422.24 is: 663,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,992.80 : 1,801,206.08 = 442,422.24 : x
  2. Step 2: Convert to fraction form
    1,200,992.80/1,801,206.08 = 442,422.24/x
  3. Step 3: Cross multiply
    1,200,992.80x = 1,801,206.08 × 442,422.24
  4. Step 4: Simplify right side
    1,200,992.80x = 796,893,628,615.22
  5. Step 5: Solve for x
    x = 796,893,628,615.22/1,200,992.80
  6. Step 6: Final answer
    x = 663,529.06

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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.