Home / 1,342,022.70-2,011,721.85-1,200,305.10

Finding the Fourth Proportional to 1,342,022.70, 2,011,721.85 and 1,200,305.10

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Solution

The fourth proportional to 1,342,022.70, 2,011,721.85 and 1,200,305.10 is: 1,799,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,022.70 : 2,011,721.85 = 1,200,305.10 : x
  2. Step 2: Convert to fraction form
    1,342,022.70/2,011,721.85 = 1,200,305.10/x
  3. Step 3: Cross multiply
    1,342,022.70x = 2,011,721.85 × 1,200,305.10
  4. Step 4: Simplify right side
    1,342,022.70x = 2,414,679,996,336.44
  5. Step 5: Solve for x
    x = 2,414,679,996,336.44/1,342,022.70
  6. Step 6: Final answer
    x = 1,799,284.02

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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.