Home / 1,175,122.91-1,621,072.62-767,463.27

Finding the Fourth Proportional to 1,175,122.91, 1,621,072.62 and 767,463.27

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Solution

The fourth proportional to 1,175,122.91, 1,621,072.62 and 767,463.27 is: 1,058,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,122.91 : 1,621,072.62 = 767,463.27 : x
  2. Step 2: Convert to fraction form
    1,175,122.91/1,621,072.62 = 767,463.27/x
  3. Step 3: Cross multiply
    1,175,122.91x = 1,621,072.62 × 767,463.27
  4. Step 4: Simplify right side
    1,175,122.91x = 1,244,113,693,852.67
  5. Step 5: Solve for x
    x = 1,244,113,693,852.67/1,175,122.91
  6. Step 6: Final answer
    x = 1,058,709.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.