Home / 959,781.40-1,439,672.10-945,784.60

Finding the Fourth Proportional to 959,781.40, 1,439,672.10 and 945,784.60

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Solution

The fourth proportional to 959,781.40, 1,439,672.10 and 945,784.60 is: 1,418,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,781.40 : 1,439,672.10 = 945,784.60 : x
  2. Step 2: Convert to fraction form
    959,781.40/1,439,672.10 = 945,784.60/x
  3. Step 3: Cross multiply
    959,781.40x = 1,439,672.10 × 945,784.60
  4. Step 4: Simplify right side
    959,781.40x = 1,361,619,701,229.66
  5. Step 5: Solve for x
    x = 1,361,619,701,229.66/959,781.40
  6. Step 6: Final answer
    x = 1,418,676.90

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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.