Home / 1,759,137.64-2,638,751.82-479,755.60

Finding the Fourth Proportional to 1,759,137.64, 2,638,751.82 and 479,755.60

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Solution

The fourth proportional to 1,759,137.64, 2,638,751.82 and 479,755.60 is: 719,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,137.64 : 2,638,751.82 = 479,755.60 : x
  2. Step 2: Convert to fraction form
    1,759,137.64/2,638,751.82 = 479,755.60/x
  3. Step 3: Cross multiply
    1,759,137.64x = 2,638,751.82 × 479,755.60
  4. Step 4: Simplify right side
    1,759,137.64x = 1,265,955,962,655.19
  5. Step 5: Solve for x
    x = 1,265,955,962,655.19/1,759,137.64
  6. Step 6: Final answer
    x = 719,645.77

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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.