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Finding the Fourth Proportional to 1,230,449.82, 1,845,920.97 and 520,475.10

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Solution

The fourth proportional to 1,230,449.82, 1,845,920.97 and 520,475.10 is: 780,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,449.82 : 1,845,920.97 = 520,475.10 : x
  2. Step 2: Convert to fraction form
    1,230,449.82/1,845,920.97 = 520,475.10/x
  3. Step 3: Cross multiply
    1,230,449.82x = 1,845,920.97 × 520,475.10
  4. Step 4: Simplify right side
    1,230,449.82x = 960,755,901,452.85
  5. Step 5: Solve for x
    x = 960,755,901,452.85/1,230,449.82
  6. Step 6: Final answer
    x = 780,816.81

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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.