Home / 791,998.80-1,187,998.20-674,192.40

Finding the Fourth Proportional to 791,998.80, 1,187,998.20 and 674,192.40

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Solution

The fourth proportional to 791,998.80, 1,187,998.20 and 674,192.40 is: 1,011,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,998.80 : 1,187,998.20 = 674,192.40 : x
  2. Step 2: Convert to fraction form
    791,998.80/1,187,998.20 = 674,192.40/x
  3. Step 3: Cross multiply
    791,998.80x = 1,187,998.20 × 674,192.40
  4. Step 4: Simplify right side
    791,998.80x = 800,939,357,653.68
  5. Step 5: Solve for x
    x = 800,939,357,653.68/791,998.80
  6. Step 6: Final answer
    x = 1,011,288.60

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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.