Home / 1,410,485.76-2,115,662.96-345,471.44

Finding the Fourth Proportional to 1,410,485.76, 2,115,662.96 and 345,471.44

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Solution

The fourth proportional to 1,410,485.76, 2,115,662.96 and 345,471.44 is: 518,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,485.76 : 2,115,662.96 = 345,471.44 : x
  2. Step 2: Convert to fraction form
    1,410,485.76/2,115,662.96 = 345,471.44/x
  3. Step 3: Cross multiply
    1,410,485.76x = 2,115,662.96 × 345,471.44
  4. Step 4: Simplify right side
    1,410,485.76x = 730,901,129,345.86
  5. Step 5: Solve for x
    x = 730,901,129,345.86/1,410,485.76
  6. Step 6: Final answer
    x = 518,191.07

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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.