Home / 997,137.20-1,495,705.80-886,912.40

Finding the Fourth Proportional to 997,137.20, 1,495,705.80 and 886,912.40

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Solution

The fourth proportional to 997,137.20, 1,495,705.80 and 886,912.40 is: 1,330,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,137.20 : 1,495,705.80 = 886,912.40 : x
  2. Step 2: Convert to fraction form
    997,137.20/1,495,705.80 = 886,912.40/x
  3. Step 3: Cross multiply
    997,137.20x = 1,495,705.80 × 886,912.40
  4. Step 4: Simplify right side
    997,137.20x = 1,326,560,020,771.92
  5. Step 5: Solve for x
    x = 1,326,560,020,771.92/997,137.20
  6. Step 6: Final answer
    x = 1,330,368.60

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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.