Home / 1,278,299.52-1,763,994.24-734,052.42

Finding the Fourth Proportional to 1,278,299.52, 1,763,994.24 and 734,052.42

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Solution

The fourth proportional to 1,278,299.52, 1,763,994.24 and 734,052.42 is: 1,012,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,299.52 : 1,763,994.24 = 734,052.42 : x
  2. Step 2: Convert to fraction form
    1,278,299.52/1,763,994.24 = 734,052.42/x
  3. Step 3: Cross multiply
    1,278,299.52x = 1,763,994.24 × 734,052.42
  4. Step 4: Simplify right side
    1,278,299.52x = 1,294,864,240,738.06
  5. Step 5: Solve for x
    x = 1,294,864,240,738.06/1,278,299.52
  6. Step 6: Final answer
    x = 1,012,958.40

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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.