Home / 1,392,263.45-2,088,396.96-381,394.29

Finding the Fourth Proportional to 1,392,263.45, 2,088,396.96 and 381,394.29

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Solution

The fourth proportional to 1,392,263.45, 2,088,396.96 and 381,394.29 is: 572,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,263.45 : 2,088,396.96 = 381,394.29 : x
  2. Step 2: Convert to fraction form
    1,392,263.45/2,088,396.96 = 381,394.29/x
  3. Step 3: Cross multiply
    1,392,263.45x = 2,088,396.96 × 381,394.29
  4. Step 4: Simplify right side
    1,392,263.45x = 796,502,675,797.36
  5. Step 5: Solve for x
    x = 796,502,675,797.36/1,392,263.45
  6. Step 6: Final answer
    x = 572,091.92

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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.