Home / 1,374,383.40-2,062,007.10-664,434.60

Finding the Fourth Proportional to 1,374,383.40, 2,062,007.10 and 664,434.60

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Solution

The fourth proportional to 1,374,383.40, 2,062,007.10 and 664,434.60 is: 996,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,383.40 : 2,062,007.10 = 664,434.60 : x
  2. Step 2: Convert to fraction form
    1,374,383.40/2,062,007.10 = 664,434.60/x
  3. Step 3: Cross multiply
    1,374,383.40x = 2,062,007.10 × 664,434.60
  4. Step 4: Simplify right side
    1,374,383.40x = 1,370,068,862,685.66
  5. Step 5: Solve for x
    x = 1,370,068,862,685.66/1,374,383.40
  6. Step 6: Final answer
    x = 996,860.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.