Home / 1,343,640.63-1,854,276.80-762,918.15

Finding the Fourth Proportional to 1,343,640.63, 1,854,276.80 and 762,918.15

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Solution

The fourth proportional to 1,343,640.63, 1,854,276.80 and 762,918.15 is: 1,052,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,640.63 : 1,854,276.80 = 762,918.15 : x
  2. Step 2: Convert to fraction form
    1,343,640.63/1,854,276.80 = 762,918.15/x
  3. Step 3: Cross multiply
    1,343,640.63x = 1,854,276.80 × 762,918.15
  4. Step 4: Simplify right side
    1,343,640.63x = 1,414,661,422,029.33
  5. Step 5: Solve for x
    x = 1,414,661,422,029.33/1,343,640.63
  6. Step 6: Final answer
    x = 1,052,856.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.