Home / 1,207,131.52-1,665,103.36-716,768.64

Finding the Fourth Proportional to 1,207,131.52, 1,665,103.36 and 716,768.64

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Solution

The fourth proportional to 1,207,131.52, 1,665,103.36 and 716,768.64 is: 988,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,131.52 : 1,665,103.36 = 716,768.64 : x
  2. Step 2: Convert to fraction form
    1,207,131.52/1,665,103.36 = 716,768.64/x
  3. Step 3: Cross multiply
    1,207,131.52x = 1,665,103.36 × 716,768.64
  4. Step 4: Simplify right side
    1,207,131.52x = 1,193,493,870,806.63
  5. Step 5: Solve for x
    x = 1,193,493,870,806.63/1,207,131.52
  6. Step 6: Final answer
    x = 988,702.43

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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.