Home / 1,120,949.42-1,546,947.52-611,679.74

Finding the Fourth Proportional to 1,120,949.42, 1,546,947.52 and 611,679.74

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Solution

The fourth proportional to 1,120,949.42, 1,546,947.52 and 611,679.74 is: 844,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,949.42 : 1,546,947.52 = 611,679.74 : x
  2. Step 2: Convert to fraction form
    1,120,949.42/1,546,947.52 = 611,679.74/x
  3. Step 3: Cross multiply
    1,120,949.42x = 1,546,947.52 × 611,679.74
  4. Step 4: Simplify right side
    1,120,949.42x = 946,236,447,563.31
  5. Step 5: Solve for x
    x = 946,236,447,563.31/1,120,949.42
  6. Step 6: Final answer
    x = 844,138.40

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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.