Home / 1,039,760.84-1,559,789.86-320,163.32

Finding the Fourth Proportional to 1,039,760.84, 1,559,789.86 and 320,163.32

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Solution

The fourth proportional to 1,039,760.84, 1,559,789.86 and 320,163.32 is: 480,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,760.84 : 1,559,789.86 = 320,163.32 : x
  2. Step 2: Convert to fraction form
    1,039,760.84/1,559,789.86 = 320,163.32/x
  3. Step 3: Cross multiply
    1,039,760.84x = 1,559,789.86 × 320,163.32
  4. Step 4: Simplify right side
    1,039,760.84x = 499,387,500,079.94
  5. Step 5: Solve for x
    x = 499,387,500,079.94/1,039,760.84
  6. Step 6: Final answer
    x = 480,290.74

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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.