Home / 928,015.40-1,392,023.10-884,469.80

Finding the Fourth Proportional to 928,015.40, 1,392,023.10 and 884,469.80

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Solution

The fourth proportional to 928,015.40, 1,392,023.10 and 884,469.80 is: 1,326,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,015.40 : 1,392,023.10 = 884,469.80 : x
  2. Step 2: Convert to fraction form
    928,015.40/1,392,023.10 = 884,469.80/x
  3. Step 3: Cross multiply
    928,015.40x = 1,392,023.10 × 884,469.80
  4. Step 4: Simplify right side
    928,015.40x = 1,231,202,392,852.38
  5. Step 5: Solve for x
    x = 1,231,202,392,852.38/928,015.40
  6. Step 6: Final answer
    x = 1,326,704.70

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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.