Home / 1,345,246.86-2,015,628.24-945,171.39

Finding the Fourth Proportional to 1,345,246.86, 2,015,628.24 and 945,171.39

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Solution

The fourth proportional to 1,345,246.86, 2,015,628.24 and 945,171.39 is: 1,416,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,246.86 : 2,015,628.24 = 945,171.39 : x
  2. Step 2: Convert to fraction form
    1,345,246.86/2,015,628.24 = 945,171.39/x
  3. Step 3: Cross multiply
    1,345,246.86x = 2,015,628.24 × 945,171.39
  4. Step 4: Simplify right side
    1,345,246.86x = 1,905,114,145,324.05
  5. Step 5: Solve for x
    x = 1,905,114,145,324.05/1,345,246.86
  6. Step 6: Final answer
    x = 1,416,181.82

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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.