Home / 1,479,845.10-2,042,191.62-800,781.60

Finding the Fourth Proportional to 1,479,845.10, 2,042,191.62 and 800,781.60

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Solution

The fourth proportional to 1,479,845.10, 2,042,191.62 and 800,781.60 is: 1,105,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,845.10 : 2,042,191.62 = 800,781.60 : x
  2. Step 2: Convert to fraction form
    1,479,845.10/2,042,191.62 = 800,781.60/x
  3. Step 3: Cross multiply
    1,479,845.10x = 2,042,191.62 × 800,781.60
  4. Step 4: Simplify right side
    1,479,845.10x = 1,635,349,472,970.19
  5. Step 5: Solve for x
    x = 1,635,349,472,970.19/1,479,845.10
  6. Step 6: Final answer
    x = 1,105,081.52

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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.