Home / 1,317,682.20-1,976,523.30-1,303,685.40

Finding the Fourth Proportional to 1,317,682.20, 1,976,523.30 and 1,303,685.40

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Solution

The fourth proportional to 1,317,682.20, 1,976,523.30 and 1,303,685.40 is: 1,955,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,682.20 : 1,976,523.30 = 1,303,685.40 : x
  2. Step 2: Convert to fraction form
    1,317,682.20/1,976,523.30 = 1,303,685.40/x
  3. Step 3: Cross multiply
    1,317,682.20x = 1,976,523.30 × 1,303,685.40
  4. Step 4: Simplify right side
    1,317,682.20x = 2,576,764,568,969.82
  5. Step 5: Solve for x
    x = 2,576,764,568,969.82/1,317,682.20
  6. Step 6: Final answer
    x = 1,955,528.10

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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.