Home / 2,276,553.60-3,415,024.80-780,645.60

Finding the Fourth Proportional to 2,276,553.60, 3,415,024.80 and 780,645.60

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Solution

The fourth proportional to 2,276,553.60, 3,415,024.80 and 780,645.60 is: 1,171,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,553.60 : 3,415,024.80 = 780,645.60 : x
  2. Step 2: Convert to fraction form
    2,276,553.60/3,415,024.80 = 780,645.60/x
  3. Step 3: Cross multiply
    2,276,553.60x = 3,415,024.80 × 780,645.60
  4. Step 4: Simplify right side
    2,276,553.60x = 2,665,924,084,010.88
  5. Step 5: Solve for x
    x = 2,665,924,084,010.88/2,276,553.60
  6. Step 6: Final answer
    x = 1,171,035.06

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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.