Home / 1,119,447.83-1,679,163.38-320,730.05

Finding the Fourth Proportional to 1,119,447.83, 1,679,163.38 and 320,730.05

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Solution

The fourth proportional to 1,119,447.83, 1,679,163.38 and 320,730.05 is: 481,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,447.83 : 1,679,163.38 = 320,730.05 : x
  2. Step 2: Convert to fraction form
    1,119,447.83/1,679,163.38 = 320,730.05/x
  3. Step 3: Cross multiply
    1,119,447.83x = 1,679,163.38 × 320,730.05
  4. Step 4: Simplify right side
    1,119,447.83x = 538,558,153,221.92
  5. Step 5: Solve for x
    x = 538,558,153,221.92/1,119,447.83
  6. Step 6: Final answer
    x = 481,092.68

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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.