Home / 1,704,004.80-2,555,035.20-639,081.60

Finding the Fourth Proportional to 1,704,004.80, 2,555,035.20 and 639,081.60

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Solution

The fourth proportional to 1,704,004.80, 2,555,035.20 and 639,081.60 is: 958,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,004.80 : 2,555,035.20 = 639,081.60 : x
  2. Step 2: Convert to fraction form
    1,704,004.80/2,555,035.20 = 639,081.60/x
  3. Step 3: Cross multiply
    1,704,004.80x = 2,555,035.20 × 639,081.60
  4. Step 4: Simplify right side
    1,704,004.80x = 1,632,875,983,672.32
  5. Step 5: Solve for x
    x = 1,632,875,983,672.32/1,704,004.80
  6. Step 6: Final answer
    x = 958,257.85

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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.