Home / 1,392,262.96-2,088,396.23-381,393.79

Finding the Fourth Proportional to 1,392,262.96, 2,088,396.23 and 381,393.79

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Solution

The fourth proportional to 1,392,262.96, 2,088,396.23 and 381,393.79 is: 572,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,262.96 : 2,088,396.23 = 381,393.79 : x
  2. Step 2: Convert to fraction form
    1,392,262.96/2,088,396.23 = 381,393.79/x
  3. Step 3: Cross multiply
    1,392,262.96x = 2,088,396.23 × 381,393.79
  4. Step 4: Simplify right side
    1,392,262.96x = 796,501,340,832.46
  5. Step 5: Solve for x
    x = 796,501,340,832.46/1,392,262.96
  6. Step 6: Final answer
    x = 572,091.17

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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.