Home / 1,121,484.20-1,682,615.10-490,850.60

Finding the Fourth Proportional to 1,121,484.20, 1,682,615.10 and 490,850.60

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Solution

The fourth proportional to 1,121,484.20, 1,682,615.10 and 490,850.60 is: 736,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,484.20 : 1,682,615.10 = 490,850.60 : x
  2. Step 2: Convert to fraction form
    1,121,484.20/1,682,615.10 = 490,850.60/x
  3. Step 3: Cross multiply
    1,121,484.20x = 1,682,615.10 × 490,850.60
  4. Step 4: Simplify right side
    1,121,484.20x = 825,912,631,404.06
  5. Step 5: Solve for x
    x = 825,912,631,404.06/1,121,484.20
  6. Step 6: Final answer
    x = 736,446.07

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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.