Home / 1,334,774.80-2,002,145.22-323,905

Finding the Fourth Proportional to 1,334,774.80, 2,002,145.22 and 323,905

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Solution

The fourth proportional to 1,334,774.80, 2,002,145.22 and 323,905 is: 485,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,774.80 : 2,002,145.22 = 323,905 : x
  2. Step 2: Convert to fraction form
    1,334,774.80/2,002,145.22 = 323,905/x
  3. Step 3: Cross multiply
    1,334,774.80x = 2,002,145.22 × 323,905
  4. Step 4: Simplify right side
    1,334,774.80x = 648,504,847,484.10
  5. Step 5: Solve for x
    x = 648,504,847,484.10/1,334,774.80
  6. Step 6: Final answer
    x = 485,853.38

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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.