Home / 1,176.63-1,623.77-704.54

Finding the Fourth Proportional to 1,176.63, 1,623.77 and 704.54

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Solution

The fourth proportional to 1,176.63, 1,623.77 and 704.54 is: 972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.63 : 1,623.77 = 704.54 : x
  2. Step 2: Convert to fraction form
    1,176.63/1,623.77 = 704.54/x
  3. Step 3: Cross multiply
    1,176.63x = 1,623.77 × 704.54
  4. Step 4: Simplify right side
    1,176.63x = 1,144,018.46
  5. Step 5: Solve for x
    x = 1,144,018.46/1,176.63
  6. Step 6: Final answer
    x = 972.29

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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.