Home / 1,301.26-1,795.48-777.46

Finding the Fourth Proportional to 1,301.26, 1,795.48 and 777.46

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Solution

The fourth proportional to 1,301.26, 1,795.48 and 777.46 is: 1,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.26 : 1,795.48 = 777.46 : x
  2. Step 2: Convert to fraction form
    1,301.26/1,795.48 = 777.46/x
  3. Step 3: Cross multiply
    1,301.26x = 1,795.48 × 777.46
  4. Step 4: Simplify right side
    1,301.26x = 1,395,913.88
  5. Step 5: Solve for x
    x = 1,395,913.88/1,301.26
  6. Step 6: Final answer
    x = 1,072.74

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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.