Home / 1,203,809.22-1,805,949.72-445,656.90

Finding the Fourth Proportional to 1,203,809.22, 1,805,949.72 and 445,656.90

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Solution

The fourth proportional to 1,203,809.22, 1,805,949.72 and 445,656.90 is: 668,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,809.22 : 1,805,949.72 = 445,656.90 : x
  2. Step 2: Convert to fraction form
    1,203,809.22/1,805,949.72 = 445,656.90/x
  3. Step 3: Cross multiply
    1,203,809.22x = 1,805,949.72 × 445,656.90
  4. Step 4: Simplify right side
    1,203,809.22x = 804,833,953,771.07
  5. Step 5: Solve for x
    x = 804,833,953,771.07/1,203,809.22
  6. Step 6: Final answer
    x = 668,572.68

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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.