Home / 1,175,133.09-1,621,086.76-767,473.56

Finding the Fourth Proportional to 1,175,133.09, 1,621,086.76 and 767,473.56

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Solution

The fourth proportional to 1,175,133.09, 1,621,086.76 and 767,473.56 is: 1,058,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,133.09 : 1,621,086.76 = 767,473.56 : x
  2. Step 2: Convert to fraction form
    1,175,133.09/1,621,086.76 = 767,473.56/x
  3. Step 3: Cross multiply
    1,175,133.09x = 1,621,086.76 × 767,473.56
  4. Step 4: Simplify right side
    1,175,133.09x = 1,244,141,224,847.38
  5. Step 5: Solve for x
    x = 1,244,141,224,847.38/1,175,133.09
  6. Step 6: Final answer
    x = 1,058,723.68

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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.