Home / 1,312,853.10-1,969,344.45-682,997.10

Finding the Fourth Proportional to 1,312,853.10, 1,969,344.45 and 682,997.10

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Solution

The fourth proportional to 1,312,853.10, 1,969,344.45 and 682,997.10 is: 1,024,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,853.10 : 1,969,344.45 = 682,997.10 : x
  2. Step 2: Convert to fraction form
    1,312,853.10/1,969,344.45 = 682,997.10/x
  3. Step 3: Cross multiply
    1,312,853.10x = 1,969,344.45 × 682,997.10
  4. Step 4: Simplify right side
    1,312,853.10x = 1,345,056,548,251.10
  5. Step 5: Solve for x
    x = 1,345,056,548,251.10/1,312,853.10
  6. Step 6: Final answer
    x = 1,024,529.36

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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.