Home / 1,392,544.06-2,088,799.09-381,665.19

Finding the Fourth Proportional to 1,392,544.06, 2,088,799.09 and 381,665.19

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Solution

The fourth proportional to 1,392,544.06, 2,088,799.09 and 381,665.19 is: 572,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,544.06 : 2,088,799.09 = 381,665.19 : x
  2. Step 2: Convert to fraction form
    1,392,544.06/2,088,799.09 = 381,665.19/x
  3. Step 3: Cross multiply
    1,392,544.06x = 2,088,799.09 × 381,665.19
  4. Step 4: Simplify right side
    1,392,544.06x = 797,221,901,556.68
  5. Step 5: Solve for x
    x = 797,221,901,556.68/1,392,544.06
  6. Step 6: Final answer
    x = 572,493.13

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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.