Home / 1,455,874.43-2,181,397.62-885,530.12

Finding the Fourth Proportional to 1,455,874.43, 2,181,397.62 and 885,530.12

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Solution

The fourth proportional to 1,455,874.43, 2,181,397.62 and 885,530.12 is: 1,326,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,874.43 : 2,181,397.62 = 885,530.12 : x
  2. Step 2: Convert to fraction form
    1,455,874.43/2,181,397.62 = 885,530.12/x
  3. Step 3: Cross multiply
    1,455,874.43x = 2,181,397.62 × 885,530.12
  4. Step 4: Simplify right side
    1,455,874.43x = 1,931,693,285,299.33
  5. Step 5: Solve for x
    x = 1,931,693,285,299.33/1,455,874.43
  6. Step 6: Final answer
    x = 1,326,826.86

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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.