Home / 1,143,758.34-1,715,649.78-345,046.80

Finding the Fourth Proportional to 1,143,758.34, 1,715,649.78 and 345,046.80

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Solution

The fourth proportional to 1,143,758.34, 1,715,649.78 and 345,046.80 is: 517,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,758.34 : 1,715,649.78 = 345,046.80 : x
  2. Step 2: Convert to fraction form
    1,143,758.34/1,715,649.78 = 345,046.80/x
  3. Step 3: Cross multiply
    1,143,758.34x = 1,715,649.78 × 345,046.80
  4. Step 4: Simplify right side
    1,143,758.34x = 591,979,466,509.70
  5. Step 5: Solve for x
    x = 591,979,466,509.70/1,143,758.34
  6. Step 6: Final answer
    x = 517,573.90

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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.