Home / 1,273,949.85-1,758,099.30-730,190.57

Finding the Fourth Proportional to 1,273,949.85, 1,758,099.30 and 730,190.57

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Solution

The fourth proportional to 1,273,949.85, 1,758,099.30 and 730,190.57 is: 1,007,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,949.85 : 1,758,099.30 = 730,190.57 : x
  2. Step 2: Convert to fraction form
    1,273,949.85/1,758,099.30 = 730,190.57/x
  3. Step 3: Cross multiply
    1,273,949.85x = 1,758,099.30 × 730,190.57
  4. Step 4: Simplify right side
    1,273,949.85x = 1,283,747,539,449.84
  5. Step 5: Solve for x
    x = 1,283,747,539,449.84/1,273,949.85
  6. Step 6: Final answer
    x = 1,007,690.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.