Home / 1,317,568.72-1,976,469.78-370,947.64

Finding the Fourth Proportional to 1,317,568.72, 1,976,469.78 and 370,947.64

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Solution

The fourth proportional to 1,317,568.72, 1,976,469.78 and 370,947.64 is: 556,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,568.72 : 1,976,469.78 = 370,947.64 : x
  2. Step 2: Convert to fraction form
    1,317,568.72/1,976,469.78 = 370,947.64/x
  3. Step 3: Cross multiply
    1,317,568.72x = 1,976,469.78 × 370,947.64
  4. Step 4: Simplify right side
    1,317,568.72x = 733,166,800,422.32
  5. Step 5: Solve for x
    x = 733,166,800,422.32/1,317,568.72
  6. Step 6: Final answer
    x = 556,454.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.