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Finding the Fourth Proportional to 1,264,764.36, 1,745,354.28 and 691,799.52

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Solution

The fourth proportional to 1,264,764.36, 1,745,354.28 and 691,799.52 is: 954,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,764.36 : 1,745,354.28 = 691,799.52 : x
  2. Step 2: Convert to fraction form
    1,264,764.36/1,745,354.28 = 691,799.52/x
  3. Step 3: Cross multiply
    1,264,764.36x = 1,745,354.28 × 691,799.52
  4. Step 4: Simplify right side
    1,264,764.36x = 1,207,435,253,133.95
  5. Step 5: Solve for x
    x = 1,207,435,253,133.95/1,264,764.36
  6. Step 6: Final answer
    x = 954,672.10

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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.