Home / 1,203,793.09-1,805,164.70-455,314.21

Finding the Fourth Proportional to 1,203,793.09, 1,805,164.70 and 455,314.21

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Solution

The fourth proportional to 1,203,793.09, 1,805,164.70 and 455,314.21 is: 682,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,793.09 : 1,805,164.70 = 455,314.21 : x
  2. Step 2: Convert to fraction form
    1,203,793.09/1,805,164.70 = 455,314.21/x
  3. Step 3: Cross multiply
    1,203,793.09x = 1,805,164.70 × 455,314.21
  4. Step 4: Simplify right side
    1,203,793.09x = 821,917,139,300.39
  5. Step 5: Solve for x
    x = 821,917,139,300.39/1,203,793.09
  6. Step 6: Final answer
    x = 682,772.77

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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.