Home / 774,738.20-1,162,107.30-774,738.20

Finding the Fourth Proportional to 774,738.20, 1,162,107.30 and 774,738.20

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Solution

The fourth proportional to 774,738.20, 1,162,107.30 and 774,738.20 is: 1,162,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,738.20 : 1,162,107.30 = 774,738.20 : x
  2. Step 2: Convert to fraction form
    774,738.20/1,162,107.30 = 774,738.20/x
  3. Step 3: Cross multiply
    774,738.20x = 1,162,107.30 × 774,738.20
  4. Step 4: Simplify right side
    774,738.20x = 900,328,917,808.86
  5. Step 5: Solve for x
    x = 900,328,917,808.86/774,738.20
  6. Step 6: Final answer
    x = 1,162,107.30

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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.