Home / 1,201,905.72-1,803,099.16-443,751.80

Finding the Fourth Proportional to 1,201,905.72, 1,803,099.16 and 443,751.80

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Solution

The fourth proportional to 1,201,905.72, 1,803,099.16 and 443,751.80 is: 665,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,905.72 : 1,803,099.16 = 443,751.80 : x
  2. Step 2: Convert to fraction form
    1,201,905.72/1,803,099.16 = 443,751.80/x
  3. Step 3: Cross multiply
    1,201,905.72x = 1,803,099.16 × 443,751.80
  4. Step 4: Simplify right side
    1,201,905.72x = 800,128,497,828.49
  5. Step 5: Solve for x
    x = 800,128,497,828.49/1,201,905.72
  6. Step 6: Final answer
    x = 665,716.52

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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.