Home / 1,768,650.30-2,650,679.10-820,002.60

Finding the Fourth Proportional to 1,768,650.30, 2,650,679.10 and 820,002.60

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Solution

The fourth proportional to 1,768,650.30, 2,650,679.10 and 820,002.60 is: 1,228,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,650.30 : 2,650,679.10 = 820,002.60 : x
  2. Step 2: Convert to fraction form
    1,768,650.30/2,650,679.10 = 820,002.60/x
  3. Step 3: Cross multiply
    1,768,650.30x = 2,650,679.10 × 820,002.60
  4. Step 4: Simplify right side
    1,768,650.30x = 2,173,563,753,765.66
  5. Step 5: Solve for x
    x = 2,173,563,753,765.66/1,768,650.30
  6. Step 6: Final answer
    x = 1,228,939.24

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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.