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Finding the Fourth Proportional to 930,584.70, 1,392,924.60 and 930,584.70

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Solution

The fourth proportional to 930,584.70, 1,392,924.60 and 930,584.70 is: 1,392,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,584.70 : 1,392,924.60 = 930,584.70 : x
  2. Step 2: Convert to fraction form
    930,584.70/1,392,924.60 = 930,584.70/x
  3. Step 3: Cross multiply
    930,584.70x = 1,392,924.60 × 930,584.70
  4. Step 4: Simplify right side
    930,584.70x = 1,296,234,321,013.62
  5. Step 5: Solve for x
    x = 1,296,234,321,013.62/930,584.70
  6. Step 6: Final answer
    x = 1,392,924.60

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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.