Home / 1,631,114.52-2,446,671.78-509,279.64

Finding the Fourth Proportional to 1,631,114.52, 2,446,671.78 and 509,279.64

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Solution

The fourth proportional to 1,631,114.52, 2,446,671.78 and 509,279.64 is: 763,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,114.52 : 2,446,671.78 = 509,279.64 : x
  2. Step 2: Convert to fraction form
    1,631,114.52/2,446,671.78 = 509,279.64/x
  3. Step 3: Cross multiply
    1,631,114.52x = 2,446,671.78 × 509,279.64
  4. Step 4: Simplify right side
    1,631,114.52x = 1,246,040,123,316.56
  5. Step 5: Solve for x
    x = 1,246,040,123,316.56/1,631,114.52
  6. Step 6: Final answer
    x = 763,919.46

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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.