Home / 1,143,761.34-1,715,654.28-345,049.80

Finding the Fourth Proportional to 1,143,761.34, 1,715,654.28 and 345,049.80

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Solution

The fourth proportional to 1,143,761.34, 1,715,654.28 and 345,049.80 is: 517,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,761.34 : 1,715,654.28 = 345,049.80 : x
  2. Step 2: Convert to fraction form
    1,143,761.34/1,715,654.28 = 345,049.80/x
  3. Step 3: Cross multiply
    1,143,761.34x = 1,715,654.28 × 345,049.80
  4. Step 4: Simplify right side
    1,143,761.34x = 591,986,166,183.14
  5. Step 5: Solve for x
    x = 591,986,166,183.14/1,143,761.34
  6. Step 6: Final answer
    x = 517,578.40

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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.