Home / 1,103,486.96-1,522,763.42-644,644.02

Finding the Fourth Proportional to 1,103,486.96, 1,522,763.42 and 644,644.02

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Solution

The fourth proportional to 1,103,486.96, 1,522,763.42 and 644,644.02 is: 889,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,486.96 : 1,522,763.42 = 644,644.02 : x
  2. Step 2: Convert to fraction form
    1,103,486.96/1,522,763.42 = 644,644.02/x
  3. Step 3: Cross multiply
    1,103,486.96x = 1,522,763.42 × 644,644.02
  4. Step 4: Simplify right side
    1,103,486.96x = 981,640,332,577.75
  5. Step 5: Solve for x
    x = 981,640,332,577.75/1,103,486.96
  6. Step 6: Final answer
    x = 889,580.36

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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.