Home / 1,201,276.10-1,802,072.71-443,650.10

Finding the Fourth Proportional to 1,201,276.10, 1,802,072.71 and 443,650.10

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Solution

The fourth proportional to 1,201,276.10, 1,802,072.71 and 443,650.10 is: 665,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,276.10 : 1,802,072.71 = 443,650.10 : x
  2. Step 2: Convert to fraction form
    1,201,276.10/1,802,072.71 = 443,650.10/x
  3. Step 3: Cross multiply
    1,201,276.10x = 1,802,072.71 × 443,650.10
  4. Step 4: Simplify right side
    1,201,276.10x = 799,489,737,998.77
  5. Step 5: Solve for x
    x = 799,489,737,998.77/1,201,276.10
  6. Step 6: Final answer
    x = 665,533.71

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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.