Home / 994,078.80-1,491,118.20-917,096.40

Finding the Fourth Proportional to 994,078.80, 1,491,118.20 and 917,096.40

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Solution

The fourth proportional to 994,078.80, 1,491,118.20 and 917,096.40 is: 1,375,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,078.80 : 1,491,118.20 = 917,096.40 : x
  2. Step 2: Convert to fraction form
    994,078.80/1,491,118.20 = 917,096.40/x
  3. Step 3: Cross multiply
    994,078.80x = 1,491,118.20 × 917,096.40
  4. Step 4: Simplify right side
    994,078.80x = 1,367,499,133,194.48
  5. Step 5: Solve for x
    x = 1,367,499,133,194.48/994,078.80
  6. Step 6: Final answer
    x = 1,375,644.60

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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.