Home / 1,661,364.80-2,491,125.60-662,964.80

Finding the Fourth Proportional to 1,661,364.80, 2,491,125.60 and 662,964.80

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Solution

The fourth proportional to 1,661,364.80, 2,491,125.60 and 662,964.80 is: 994,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,364.80 : 2,491,125.60 = 662,964.80 : x
  2. Step 2: Convert to fraction form
    1,661,364.80/2,491,125.60 = 662,964.80/x
  3. Step 3: Cross multiply
    1,661,364.80x = 2,491,125.60 × 662,964.80
  4. Step 4: Simplify right side
    1,661,364.80x = 1,651,528,585,178.88
  5. Step 5: Solve for x
    x = 1,651,528,585,178.88/1,661,364.80
  6. Step 6: Final answer
    x = 994,079.44

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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.