Home / 1,071,009.82-1,606,488.24-261,400.24

Finding the Fourth Proportional to 1,071,009.82, 1,606,488.24 and 261,400.24

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Solution

The fourth proportional to 1,071,009.82, 1,606,488.24 and 261,400.24 is: 392,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,009.82 : 1,606,488.24 = 261,400.24 : x
  2. Step 2: Convert to fraction form
    1,071,009.82/1,606,488.24 = 261,400.24/x
  3. Step 3: Cross multiply
    1,071,009.82x = 1,606,488.24 × 261,400.24
  4. Step 4: Simplify right side
    1,071,009.82x = 419,936,411,493.18
  5. Step 5: Solve for x
    x = 419,936,411,493.18/1,071,009.82
  6. Step 6: Final answer
    x = 392,093.89

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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.