Home / 1,315,851.27-1,970,787.46-1,029,758.86

Finding the Fourth Proportional to 1,315,851.27, 1,970,787.46 and 1,029,758.86

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Solution

The fourth proportional to 1,315,851.27, 1,970,787.46 and 1,029,758.86 is: 1,542,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,851.27 : 1,970,787.46 = 1,029,758.86 : x
  2. Step 2: Convert to fraction form
    1,315,851.27/1,970,787.46 = 1,029,758.86/x
  3. Step 3: Cross multiply
    1,315,851.27x = 1,970,787.46 × 1,029,758.86
  4. Step 4: Simplify right side
    1,315,851.27x = 2,029,435,848,111.90
  5. Step 5: Solve for x
    x = 2,029,435,848,111.90/1,315,851.27
  6. Step 6: Final answer
    x = 1,542,298.81

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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.