Home / 1,515,865.80-2,274,114.60-505,301.70

Finding the Fourth Proportional to 1,515,865.80, 2,274,114.60 and 505,301.70

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Solution

The fourth proportional to 1,515,865.80, 2,274,114.60 and 505,301.70 is: 758,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,865.80 : 2,274,114.60 = 505,301.70 : x
  2. Step 2: Convert to fraction form
    1,515,865.80/2,274,114.60 = 505,301.70/x
  3. Step 3: Cross multiply
    1,515,865.80x = 2,274,114.60 × 505,301.70
  4. Step 4: Simplify right side
    1,515,865.80x = 1,149,113,973,374.82
  5. Step 5: Solve for x
    x = 1,149,113,973,374.82/1,515,865.80
  6. Step 6: Final answer
    x = 758,057.85

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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.