Home / 1,049,845.60-1,448,745.24-620,264.80

Finding the Fourth Proportional to 1,049,845.60, 1,448,745.24 and 620,264.80

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Solution

The fourth proportional to 1,049,845.60, 1,448,745.24 and 620,264.80 is: 855,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,845.60 : 1,448,745.24 = 620,264.80 : x
  2. Step 2: Convert to fraction form
    1,049,845.60/1,448,745.24 = 620,264.80/x
  3. Step 3: Cross multiply
    1,049,845.60x = 1,448,745.24 × 620,264.80
  4. Step 4: Simplify right side
    1,049,845.60x = 898,605,676,539.55
  5. Step 5: Solve for x
    x = 898,605,676,539.55/1,049,845.60
  6. Step 6: Final answer
    x = 855,940.79

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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.