Home / 1,343,581.63-1,854,195.10-762,858.78

Finding the Fourth Proportional to 1,343,581.63, 1,854,195.10 and 762,858.78

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Solution

The fourth proportional to 1,343,581.63, 1,854,195.10 and 762,858.78 is: 1,052,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,581.63 : 1,854,195.10 = 762,858.78 : x
  2. Step 2: Convert to fraction form
    1,343,581.63/1,854,195.10 = 762,858.78/x
  3. Step 3: Cross multiply
    1,343,581.63x = 1,854,195.10 × 762,858.78
  4. Step 4: Simplify right side
    1,343,581.63x = 1,414,489,018,652.37
  5. Step 5: Solve for x
    x = 1,414,489,018,652.37/1,343,581.63
  6. Step 6: Final answer
    x = 1,052,774.90

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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.