Home / 972,163.20-1,458,244.80-545,260.80

Finding the Fourth Proportional to 972,163.20, 1,458,244.80 and 545,260.80

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Solution

The fourth proportional to 972,163.20, 1,458,244.80 and 545,260.80 is: 817,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,163.20 : 1,458,244.80 = 545,260.80 : x
  2. Step 2: Convert to fraction form
    972,163.20/1,458,244.80 = 545,260.80/x
  3. Step 3: Cross multiply
    972,163.20x = 1,458,244.80 × 545,260.80
  4. Step 4: Simplify right side
    972,163.20x = 795,123,726,243.84
  5. Step 5: Solve for x
    x = 795,123,726,243.84/972,163.20
  6. Step 6: Final answer
    x = 817,891.20

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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.