Home / 1,057,864.32-1,586,747.22-259,103.58

Finding the Fourth Proportional to 1,057,864.32, 1,586,747.22 and 259,103.58

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Solution

The fourth proportional to 1,057,864.32, 1,586,747.22 and 259,103.58 is: 388,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,864.32 : 1,586,747.22 = 259,103.58 : x
  2. Step 2: Convert to fraction form
    1,057,864.32/1,586,747.22 = 259,103.58/x
  3. Step 3: Cross multiply
    1,057,864.32x = 1,586,747.22 × 259,103.58
  4. Step 4: Simplify right side
    1,057,864.32x = 411,131,885,257.05
  5. Step 5: Solve for x
    x = 411,131,885,257.05/1,057,864.32
  6. Step 6: Final answer
    x = 388,643.30

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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.