Home / 1,320,933.26-1,822,888.32-717,321.26

Finding the Fourth Proportional to 1,320,933.26, 1,822,888.32 and 717,321.26

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Solution

The fourth proportional to 1,320,933.26, 1,822,888.32 and 717,321.26 is: 989,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,933.26 : 1,822,888.32 = 717,321.26 : x
  2. Step 2: Convert to fraction form
    1,320,933.26/1,822,888.32 = 717,321.26/x
  3. Step 3: Cross multiply
    1,320,933.26x = 1,822,888.32 × 717,321.26
  4. Step 4: Simplify right side
    1,320,933.26x = 1,307,596,546,541.68
  5. Step 5: Solve for x
    x = 1,307,596,546,541.68/1,320,933.26
  6. Step 6: Final answer
    x = 989,903.57

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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.