Home / 1,008,072.60-1,512,376.20-439,209.60

Finding the Fourth Proportional to 1,008,072.60, 1,512,376.20 and 439,209.60

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Solution

The fourth proportional to 1,008,072.60, 1,512,376.20 and 439,209.60 is: 658,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,072.60 : 1,512,376.20 = 439,209.60 : x
  2. Step 2: Convert to fraction form
    1,008,072.60/1,512,376.20 = 439,209.60/x
  3. Step 3: Cross multiply
    1,008,072.60x = 1,512,376.20 × 439,209.60
  4. Step 4: Simplify right side
    1,008,072.60x = 664,250,145,851.52
  5. Step 5: Solve for x
    x = 664,250,145,851.52/1,008,072.60
  6. Step 6: Final answer
    x = 658,930.86

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1.5x scale

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.