Home / 994,133.80-1,491,200.70-917,151.40

Finding the Fourth Proportional to 994,133.80, 1,491,200.70 and 917,151.40

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Solution

The fourth proportional to 994,133.80, 1,491,200.70 and 917,151.40 is: 1,375,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,133.80 : 1,491,200.70 = 917,151.40 : x
  2. Step 2: Convert to fraction form
    994,133.80/1,491,200.70 = 917,151.40/x
  3. Step 3: Cross multiply
    994,133.80x = 1,491,200.70 × 917,151.40
  4. Step 4: Simplify right side
    994,133.80x = 1,367,656,809,685.98
  5. Step 5: Solve for x
    x = 1,367,656,809,685.98/994,133.80
  6. Step 6: Final answer
    x = 1,375,727.10

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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.