Home / 1,581,155.88-2,181,979.50-855,984.44

Finding the Fourth Proportional to 1,581,155.88, 2,181,979.50 and 855,984.44

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Solution

The fourth proportional to 1,581,155.88, 2,181,979.50 and 855,984.44 is: 1,181,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,155.88 : 2,181,979.50 = 855,984.44 : x
  2. Step 2: Convert to fraction form
    1,581,155.88/2,181,979.50 = 855,984.44/x
  3. Step 3: Cross multiply
    1,581,155.88x = 2,181,979.50 × 855,984.44
  4. Step 4: Simplify right side
    1,581,155.88x = 1,867,740,500,398.98
  5. Step 5: Solve for x
    x = 1,867,740,500,398.98/1,581,155.88
  6. Step 6: Final answer
    x = 1,181,250.07

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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.