Home / 997,212.60-1,493,712.90-660,414.60

Finding the Fourth Proportional to 997,212.60, 1,493,712.90 and 660,414.60

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Solution

The fourth proportional to 997,212.60, 1,493,712.90 and 660,414.60 is: 989,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,212.60 : 1,493,712.90 = 660,414.60 : x
  2. Step 2: Convert to fraction form
    997,212.60/1,493,712.90 = 660,414.60/x
  3. Step 3: Cross multiply
    997,212.60x = 1,493,712.90 × 660,414.60
  4. Step 4: Simplify right side
    997,212.60x = 986,469,807,368.34
  5. Step 5: Solve for x
    x = 986,469,807,368.34/997,212.60
  6. Step 6: Final answer
    x = 989,227.18

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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.