Home / 1,180,989.94-1,629,817.80-664,777.14

Finding the Fourth Proportional to 1,180,989.94, 1,629,817.80 and 664,777.14

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Solution

The fourth proportional to 1,180,989.94, 1,629,817.80 and 664,777.14 is: 917,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,989.94 : 1,629,817.80 = 664,777.14 : x
  2. Step 2: Convert to fraction form
    1,180,989.94/1,629,817.80 = 664,777.14/x
  3. Step 3: Cross multiply
    1,180,989.94x = 1,629,817.80 × 664,777.14
  4. Step 4: Simplify right side
    1,180,989.94x = 1,083,465,615,805.09
  5. Step 5: Solve for x
    x = 1,083,465,615,805.09/1,180,989.94
  6. Step 6: Final answer
    x = 917,421.55

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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.