Home / 1,192,246.20-1,783,703.70-772,342.20

Finding the Fourth Proportional to 1,192,246.20, 1,783,703.70 and 772,342.20

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Solution

The fourth proportional to 1,192,246.20, 1,783,703.70 and 772,342.20 is: 1,155,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,246.20 : 1,783,703.70 = 772,342.20 : x
  2. Step 2: Convert to fraction form
    1,192,246.20/1,783,703.70 = 772,342.20/x
  3. Step 3: Cross multiply
    1,192,246.20x = 1,783,703.70 × 772,342.20
  4. Step 4: Simplify right side
    1,192,246.20x = 1,377,629,639,806.14
  5. Step 5: Solve for x
    x = 1,377,629,639,806.14/1,192,246.20
  6. Step 6: Final answer
    x = 1,155,490.90

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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.