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Finding the Fourth Proportional to 996,871.03, 1,495,306.55 and 996,871.03

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Solution

The fourth proportional to 996,871.03, 1,495,306.55 and 996,871.03 is: 1,495,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,871.03 : 1,495,306.55 = 996,871.03 : x
  2. Step 2: Convert to fraction form
    996,871.03/1,495,306.55 = 996,871.03/x
  3. Step 3: Cross multiply
    996,871.03x = 1,495,306.55 × 996,871.03
  4. Step 4: Simplify right side
    996,871.03x = 1,490,627,780,664.25
  5. Step 5: Solve for x
    x = 1,490,627,780,664.25/996,871.03
  6. Step 6: Final answer
    x = 1,495,306.55

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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.