Home / 1,775,147.70-2,662,721.55-513,102.90

Finding the Fourth Proportional to 1,775,147.70, 2,662,721.55 and 513,102.90

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Solution

The fourth proportional to 1,775,147.70, 2,662,721.55 and 513,102.90 is: 769,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,147.70 : 2,662,721.55 = 513,102.90 : x
  2. Step 2: Convert to fraction form
    1,775,147.70/2,662,721.55 = 513,102.90/x
  3. Step 3: Cross multiply
    1,775,147.70x = 2,662,721.55 × 513,102.90
  4. Step 4: Simplify right side
    1,775,147.70x = 1,366,250,149,197.49
  5. Step 5: Solve for x
    x = 1,366,250,149,197.49/1,775,147.70
  6. Step 6: Final answer
    x = 769,654.35

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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.