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Finding the Fourth Proportional to 888,211.10, 1,246,294.90 and 888,211.10

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Solution

The fourth proportional to 888,211.10, 1,246,294.90 and 888,211.10 is: 1,246,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,211.10 : 1,246,294.90 = 888,211.10 : x
  2. Step 2: Convert to fraction form
    888,211.10/1,246,294.90 = 888,211.10/x
  3. Step 3: Cross multiply
    888,211.10x = 1,246,294.90 × 888,211.10
  4. Step 4: Simplify right side
    888,211.10x = 1,106,972,964,053.39
  5. Step 5: Solve for x
    x = 1,106,972,964,053.39/888,211.10
  6. Step 6: Final answer
    x = 1,246,294.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.