Home / 1,197.52-1,795.56-710.90

Finding the Fourth Proportional to 1,197.52, 1,795.56 and 710.90

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Solution

The fourth proportional to 1,197.52, 1,795.56 and 710.90 is: 1,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.52 : 1,795.56 = 710.90 : x
  2. Step 2: Convert to fraction form
    1,197.52/1,795.56 = 710.90/x
  3. Step 3: Cross multiply
    1,197.52x = 1,795.56 × 710.90
  4. Step 4: Simplify right side
    1,197.52x = 1,276,463.60
  5. Step 5: Solve for x
    x = 1,276,463.60/1,197.52
  6. Step 6: Final answer
    x = 1,065.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.