Home / 1,661,293.80-2,491,019.10-662,893.80

Finding the Fourth Proportional to 1,661,293.80, 2,491,019.10 and 662,893.80

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Solution

The fourth proportional to 1,661,293.80, 2,491,019.10 and 662,893.80 is: 993,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,293.80 : 2,491,019.10 = 662,893.80 : x
  2. Step 2: Convert to fraction form
    1,661,293.80/2,491,019.10 = 662,893.80/x
  3. Step 3: Cross multiply
    1,661,293.80x = 2,491,019.10 × 662,893.80
  4. Step 4: Simplify right side
    1,661,293.80x = 1,651,281,117,071.58
  5. Step 5: Solve for x
    x = 1,651,281,117,071.58/1,661,293.80
  6. Step 6: Final answer
    x = 993,972.96

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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.