Home / 996,974.80-1,495,462.20-919,992.40

Finding the Fourth Proportional to 996,974.80, 1,495,462.20 and 919,992.40

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Solution

The fourth proportional to 996,974.80, 1,495,462.20 and 919,992.40 is: 1,379,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,974.80 : 1,495,462.20 = 919,992.40 : x
  2. Step 2: Convert to fraction form
    996,974.80/1,495,462.20 = 919,992.40/x
  3. Step 3: Cross multiply
    996,974.80x = 1,495,462.20 × 919,992.40
  4. Step 4: Simplify right side
    996,974.80x = 1,375,813,858,487.28
  5. Step 5: Solve for x
    x = 1,375,813,858,487.28/996,974.80
  6. Step 6: Final answer
    x = 1,379,988.60

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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.