Home / 1,177.02-1,623.51-704.79

Finding the Fourth Proportional to 1,177.02, 1,623.51 and 704.79

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Solution

The fourth proportional to 1,177.02, 1,623.51 and 704.79 is: 972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.02 : 1,623.51 = 704.79 : x
  2. Step 2: Convert to fraction form
    1,177.02/1,623.51 = 704.79/x
  3. Step 3: Cross multiply
    1,177.02x = 1,623.51 × 704.79
  4. Step 4: Simplify right side
    1,177.02x = 1,144,233.61
  5. Step 5: Solve for x
    x = 1,144,233.61/1,177.02
  6. Step 6: Final answer
    x = 972.14

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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.