Home / 1,193,021.92-1,646,409.12-683,820.40

Finding the Fourth Proportional to 1,193,021.92, 1,646,409.12 and 683,820.40

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Solution

The fourth proportional to 1,193,021.92, 1,646,409.12 and 683,820.40 is: 943,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,021.92 : 1,646,409.12 = 683,820.40 : x
  2. Step 2: Convert to fraction form
    1,193,021.92/1,646,409.12 = 683,820.40/x
  3. Step 3: Cross multiply
    1,193,021.92x = 1,646,409.12 × 683,820.40
  4. Step 4: Simplify right side
    1,193,021.92x = 1,125,848,143,002.05
  5. Step 5: Solve for x
    x = 1,125,848,143,002.05/1,193,021.92
  6. Step 6: Final answer
    x = 943,694.43

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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.