Home / 947,997.80-1,421,996.70-885,789.80

Finding the Fourth Proportional to 947,997.80, 1,421,996.70 and 885,789.80

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Solution

The fourth proportional to 947,997.80, 1,421,996.70 and 885,789.80 is: 1,328,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,997.80 : 1,421,996.70 = 885,789.80 : x
  2. Step 2: Convert to fraction form
    947,997.80/1,421,996.70 = 885,789.80/x
  3. Step 3: Cross multiply
    947,997.80x = 1,421,996.70 × 885,789.80
  4. Step 4: Simplify right side
    947,997.80x = 1,259,590,172,493.66
  5. Step 5: Solve for x
    x = 1,259,590,172,493.66/947,997.80
  6. Step 6: Final answer
    x = 1,328,684.70

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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.