Home / 1,424,991.88-2,132,438.58-1,256,840.74

Finding the Fourth Proportional to 1,424,991.88, 2,132,438.58 and 1,256,840.74

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Solution

The fourth proportional to 1,424,991.88, 2,132,438.58 and 1,256,840.74 is: 1,880,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,991.88 : 2,132,438.58 = 1,256,840.74 : x
  2. Step 2: Convert to fraction form
    1,424,991.88/2,132,438.58 = 1,256,840.74/x
  3. Step 3: Cross multiply
    1,424,991.88x = 2,132,438.58 × 1,256,840.74
  4. Step 4: Simplify right side
    1,424,991.88x = 2,680,135,682,891.75
  5. Step 5: Solve for x
    x = 2,680,135,682,891.75/1,424,991.88
  6. Step 6: Final answer
    x = 1,880,807.69

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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.