Home / 1,425,395.96-2,138,076.11-345,917.46

Finding the Fourth Proportional to 1,425,395.96, 2,138,076.11 and 345,917.46

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Solution

The fourth proportional to 1,425,395.96, 2,138,076.11 and 345,917.46 is: 518,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,395.96 : 2,138,076.11 = 345,917.46 : x
  2. Step 2: Convert to fraction form
    1,425,395.96/2,138,076.11 = 345,917.46/x
  3. Step 3: Cross multiply
    1,425,395.96x = 2,138,076.11 × 345,917.46
  4. Step 4: Simplify right side
    1,425,395.96x = 739,597,864,194.67
  5. Step 5: Solve for x
    x = 739,597,864,194.67/1,425,395.96
  6. Step 6: Final answer
    x = 518,871.87

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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.