Home / 1,172,806.20-1,618,646.22-743,126.34

Finding the Fourth Proportional to 1,172,806.20, 1,618,646.22 and 743,126.34

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Solution

The fourth proportional to 1,172,806.20, 1,618,646.22 and 743,126.34 is: 1,025,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,806.20 : 1,618,646.22 = 743,126.34 : x
  2. Step 2: Convert to fraction form
    1,172,806.20/1,618,646.22 = 743,126.34/x
  3. Step 3: Cross multiply
    1,172,806.20x = 1,618,646.22 × 743,126.34
  4. Step 4: Simplify right side
    1,172,806.20x = 1,202,858,641,223.43
  5. Step 5: Solve for x
    x = 1,202,858,641,223.43/1,172,806.20
  6. Step 6: Final answer
    x = 1,025,624.39

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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.