Home / 1,382,919.56-2,074,358.76-843,334.40

Finding the Fourth Proportional to 1,382,919.56, 2,074,358.76 and 843,334.40

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Solution

The fourth proportional to 1,382,919.56, 2,074,358.76 and 843,334.40 is: 1,264,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,919.56 : 2,074,358.76 = 843,334.40 : x
  2. Step 2: Convert to fraction form
    1,382,919.56/2,074,358.76 = 843,334.40/x
  3. Step 3: Cross multiply
    1,382,919.56x = 2,074,358.76 × 843,334.40
  4. Step 4: Simplify right side
    1,382,919.56x = 1,749,378,100,249.34
  5. Step 5: Solve for x
    x = 1,749,378,100,249.34/1,382,919.56
  6. Step 6: Final answer
    x = 1,264,989.05

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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.