Home / 1,143,751.90-1,715,640.18-345,040.38

Finding the Fourth Proportional to 1,143,751.90, 1,715,640.18 and 345,040.38

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Solution

The fourth proportional to 1,143,751.90, 1,715,640.18 and 345,040.38 is: 517,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,751.90 : 1,715,640.18 = 345,040.38 : x
  2. Step 2: Convert to fraction form
    1,143,751.90/1,715,640.18 = 345,040.38/x
  3. Step 3: Cross multiply
    1,143,751.90x = 1,715,640.18 × 345,040.38
  4. Step 4: Simplify right side
    1,143,751.90x = 591,965,131,072.27
  5. Step 5: Solve for x
    x = 591,965,131,072.27/1,143,751.90
  6. Step 6: Final answer
    x = 517,564.28

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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.