Home / 1,584,997.40-2,187,296.42-905,948.48

Finding the Fourth Proportional to 1,584,997.40, 2,187,296.42 and 905,948.48

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Solution

The fourth proportional to 1,584,997.40, 2,187,296.42 and 905,948.48 is: 1,250,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,997.40 : 2,187,296.42 = 905,948.48 : x
  2. Step 2: Convert to fraction form
    1,584,997.40/2,187,296.42 = 905,948.48/x
  3. Step 3: Cross multiply
    1,584,997.40x = 2,187,296.42 × 905,948.48
  4. Step 4: Simplify right side
    1,584,997.40x = 1,981,577,851,542.22
  5. Step 5: Solve for x
    x = 1,981,577,851,542.22/1,584,997.40
  6. Step 6: Final answer
    x = 1,250,208.90

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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.