Home / 1,159,642-1,599,761.28-820,297.36

Finding the Fourth Proportional to 1,159,642, 1,599,761.28 and 820,297.36

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Solution

The fourth proportional to 1,159,642, 1,599,761.28 and 820,297.36 is: 1,131,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,642 : 1,599,761.28 = 820,297.36 : x
  2. Step 2: Convert to fraction form
    1,159,642/1,599,761.28 = 820,297.36/x
  3. Step 3: Cross multiply
    1,159,642x = 1,599,761.28 × 820,297.36
  4. Step 4: Simplify right side
    1,159,642x = 1,312,279,954,614.22
  5. Step 5: Solve for x
    x = 1,312,279,954,614.22/1,159,642
  6. Step 6: Final answer
    x = 1,131,625.07

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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.