Home / 1,111,104.24-1,666,754.79-312,392.73

Finding the Fourth Proportional to 1,111,104.24, 1,666,754.79 and 312,392.73

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Solution

The fourth proportional to 1,111,104.24, 1,666,754.79 and 312,392.73 is: 468,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,104.24 : 1,666,754.79 = 312,392.73 : x
  2. Step 2: Convert to fraction form
    1,111,104.24/1,666,754.79 = 312,392.73/x
  3. Step 3: Cross multiply
    1,111,104.24x = 1,666,754.79 × 312,392.73
  4. Step 4: Simplify right side
    1,111,104.24x = 520,682,079,088.68
  5. Step 5: Solve for x
    x = 520,682,079,088.68/1,111,104.24
  6. Step 6: Final answer
    x = 468,616.77

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Double scale
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1.5x scale

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.