Home / 1,489,745.40-2,234,638.92-424,787.88

Finding the Fourth Proportional to 1,489,745.40, 2,234,638.92 and 424,787.88

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Solution

The fourth proportional to 1,489,745.40, 2,234,638.92 and 424,787.88 is: 637,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,745.40 : 2,234,638.92 = 424,787.88 : x
  2. Step 2: Convert to fraction form
    1,489,745.40/2,234,638.92 = 424,787.88/x
  3. Step 3: Cross multiply
    1,489,745.40x = 2,234,638.92 × 424,787.88
  4. Step 4: Simplify right side
    1,489,745.40x = 949,247,529,392.29
  5. Step 5: Solve for x
    x = 949,247,529,392.29/1,489,745.40
  6. Step 6: Final answer
    x = 637,187.76

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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.