Home / 996,370.80-1,494,556.20-919,388.40

Finding the Fourth Proportional to 996,370.80, 1,494,556.20 and 919,388.40

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Solution

The fourth proportional to 996,370.80, 1,494,556.20 and 919,388.40 is: 1,379,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,370.80 : 1,494,556.20 = 919,388.40 : x
  2. Step 2: Convert to fraction form
    996,370.80/1,494,556.20 = 919,388.40/x
  3. Step 3: Cross multiply
    996,370.80x = 1,494,556.20 × 919,388.40
  4. Step 4: Simplify right side
    996,370.80x = 1,374,077,633,428.08
  5. Step 5: Solve for x
    x = 1,374,077,633,428.08/996,370.80
  6. Step 6: Final answer
    x = 1,379,082.60

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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.