Home / 1,172,822.78-1,618,669.50-743,143.16

Finding the Fourth Proportional to 1,172,822.78, 1,618,669.50 and 743,143.16

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Solution

The fourth proportional to 1,172,822.78, 1,618,669.50 and 743,143.16 is: 1,025,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,822.78 : 1,618,669.50 = 743,143.16 : x
  2. Step 2: Convert to fraction form
    1,172,822.78/1,618,669.50 = 743,143.16/x
  3. Step 3: Cross multiply
    1,172,822.78x = 1,618,669.50 × 743,143.16
  4. Step 4: Simplify right side
    1,172,822.78x = 1,202,903,167,225.62
  5. Step 5: Solve for x
    x = 1,202,903,167,225.62/1,172,822.78
  6. Step 6: Final answer
    x = 1,025,647.85

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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.