Home / 1,171,570.24-1,755,348.90-639,464.68

Finding the Fourth Proportional to 1,171,570.24, 1,755,348.90 and 639,464.68

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Solution

The fourth proportional to 1,171,570.24, 1,755,348.90 and 639,464.68 is: 958,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,570.24 : 1,755,348.90 = 639,464.68 : x
  2. Step 2: Convert to fraction form
    1,171,570.24/1,755,348.90 = 639,464.68/x
  3. Step 3: Cross multiply
    1,171,570.24x = 1,755,348.90 × 639,464.68
  4. Step 4: Simplify right side
    1,171,570.24x = 1,122,483,622,626.85
  5. Step 5: Solve for x
    x = 1,122,483,622,626.85/1,171,570.24
  6. Step 6: Final answer
    x = 958,101.86

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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.