Home / 1,149,260.80-1,723,891.20-438,923.20

Finding the Fourth Proportional to 1,149,260.80, 1,723,891.20 and 438,923.20

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Solution

The fourth proportional to 1,149,260.80, 1,723,891.20 and 438,923.20 is: 658,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,260.80 : 1,723,891.20 = 438,923.20 : x
  2. Step 2: Convert to fraction form
    1,149,260.80/1,723,891.20 = 438,923.20/x
  3. Step 3: Cross multiply
    1,149,260.80x = 1,723,891.20 × 438,923.20
  4. Step 4: Simplify right side
    1,149,260.80x = 756,655,841,955.84
  5. Step 5: Solve for x
    x = 756,655,841,955.84/1,149,260.80
  6. Step 6: Final answer
    x = 658,384.80

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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.