Home / 1,392,252.54-2,088,380.60-381,383.38

Finding the Fourth Proportional to 1,392,252.54, 2,088,380.60 and 381,383.38

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Solution

The fourth proportional to 1,392,252.54, 2,088,380.60 and 381,383.38 is: 572,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,252.54 : 2,088,380.60 = 381,383.38 : x
  2. Step 2: Convert to fraction form
    1,392,252.54/2,088,380.60 = 381,383.38/x
  3. Step 3: Cross multiply
    1,392,252.54x = 2,088,380.60 × 381,383.38
  4. Step 4: Simplify right side
    1,392,252.54x = 796,473,654,088.18
  5. Step 5: Solve for x
    x = 796,473,654,088.18/1,392,252.54
  6. Step 6: Final answer
    x = 572,075.56

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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.