Home / 1,580,896.43-2,181,638.37-855,741.90

Finding the Fourth Proportional to 1,580,896.43, 2,181,638.37 and 855,741.90

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Solution

The fourth proportional to 1,580,896.43, 2,181,638.37 and 855,741.90 is: 1,180,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,896.43 : 2,181,638.37 = 855,741.90 : x
  2. Step 2: Convert to fraction form
    1,580,896.43/2,181,638.37 = 855,741.90/x
  3. Step 3: Cross multiply
    1,580,896.43x = 2,181,638.37 × 855,741.90
  4. Step 4: Simplify right side
    1,580,896.43x = 1,866,919,363,856.70
  5. Step 5: Solve for x
    x = 1,866,919,363,856.70/1,580,896.43
  6. Step 6: Final answer
    x = 1,180,924.52

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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.