Home / 1,755,869.64-2,633,785.26-426,173.64

Finding the Fourth Proportional to 1,755,869.64, 2,633,785.26 and 426,173.64

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Solution

The fourth proportional to 1,755,869.64, 2,633,785.26 and 426,173.64 is: 639,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,869.64 : 2,633,785.26 = 426,173.64 : x
  2. Step 2: Convert to fraction form
    1,755,869.64/2,633,785.26 = 426,173.64/x
  3. Step 3: Cross multiply
    1,755,869.64x = 2,633,785.26 × 426,173.64
  4. Step 4: Simplify right side
    1,755,869.64x = 1,122,449,851,232.55
  5. Step 5: Solve for x
    x = 1,122,449,851,232.55/1,755,869.64
  6. Step 6: Final answer
    x = 639,255.80

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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.