Home / 1,200,984.12-1,801,733.16-442,827.76

Finding the Fourth Proportional to 1,200,984.12, 1,801,733.16 and 442,827.76

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Solution

The fourth proportional to 1,200,984.12, 1,801,733.16 and 442,827.76 is: 664,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,984.12 : 1,801,733.16 = 442,827.76 : x
  2. Step 2: Convert to fraction form
    1,200,984.12/1,801,733.16 = 442,827.76/x
  3. Step 3: Cross multiply
    1,200,984.12x = 1,801,733.16 × 442,827.76
  4. Step 4: Simplify right side
    1,200,984.12x = 797,857,459,360.52
  5. Step 5: Solve for x
    x = 797,857,459,360.52/1,200,984.12
  6. Step 6: Final answer
    x = 664,336.39

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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.