Home / 1,279,480.02-1,765,683.46-820,593.18

Finding the Fourth Proportional to 1,279,480.02, 1,765,683.46 and 820,593.18

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Solution

The fourth proportional to 1,279,480.02, 1,765,683.46 and 820,593.18 is: 1,132,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,480.02 : 1,765,683.46 = 820,593.18 : x
  2. Step 2: Convert to fraction form
    1,279,480.02/1,765,683.46 = 820,593.18/x
  3. Step 3: Cross multiply
    1,279,480.02x = 1,765,683.46 × 820,593.18
  4. Step 4: Simplify right side
    1,279,480.02x = 1,448,907,805,314.80
  5. Step 5: Solve for x
    x = 1,448,907,805,314.80/1,279,480.02
  6. Step 6: Final answer
    x = 1,132,419.25

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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.