Home / 1,269,121.86-1,750,398.30-785,955.24

Finding the Fourth Proportional to 1,269,121.86, 1,750,398.30 and 785,955.24

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Solution

The fourth proportional to 1,269,121.86, 1,750,398.30 and 785,955.24 is: 1,084,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,121.86 : 1,750,398.30 = 785,955.24 : x
  2. Step 2: Convert to fraction form
    1,269,121.86/1,750,398.30 = 785,955.24/x
  3. Step 3: Cross multiply
    1,269,121.86x = 1,750,398.30 × 785,955.24
  4. Step 4: Simplify right side
    1,269,121.86x = 1,375,734,715,972.09
  5. Step 5: Solve for x
    x = 1,375,734,715,972.09/1,269,121.86
  6. Step 6: Final answer
    x = 1,084,005.22

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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.