Home / 1,389,104.56-2,077,972.68-1,049,621.68

Finding the Fourth Proportional to 1,389,104.56, 2,077,972.68 and 1,049,621.68

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Solution

The fourth proportional to 1,389,104.56, 2,077,972.68 and 1,049,621.68 is: 1,570,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,104.56 : 2,077,972.68 = 1,049,621.68 : x
  2. Step 2: Convert to fraction form
    1,389,104.56/2,077,972.68 = 1,049,621.68/x
  3. Step 3: Cross multiply
    1,389,104.56x = 2,077,972.68 × 1,049,621.68
  4. Step 4: Simplify right side
    1,389,104.56x = 2,181,085,175,375.70
  5. Step 5: Solve for x
    x = 2,181,085,175,375.70/1,389,104.56
  6. Step 6: Final answer
    x = 1,570,137.51

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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.