Home / 946,442.40-1,419,663.60-930,890.40

Finding the Fourth Proportional to 946,442.40, 1,419,663.60 and 930,890.40

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Solution

The fourth proportional to 946,442.40, 1,419,663.60 and 930,890.40 is: 1,396,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,442.40 : 1,419,663.60 = 930,890.40 : x
  2. Step 2: Convert to fraction form
    946,442.40/1,419,663.60 = 930,890.40/x
  3. Step 3: Cross multiply
    946,442.40x = 1,419,663.60 × 930,890.40
  4. Step 4: Simplify right side
    946,442.40x = 1,321,551,216,469.44
  5. Step 5: Solve for x
    x = 1,321,551,216,469.44/946,442.40
  6. Step 6: Final answer
    x = 1,396,335.60

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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.