Home / 1,446,658.90-2,170,078.44-381,702.06

Finding the Fourth Proportional to 1,446,658.90, 2,170,078.44 and 381,702.06

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Solution

The fourth proportional to 1,446,658.90, 2,170,078.44 and 381,702.06 is: 572,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,658.90 : 2,170,078.44 = 381,702.06 : x
  2. Step 2: Convert to fraction form
    1,446,658.90/2,170,078.44 = 381,702.06/x
  3. Step 3: Cross multiply
    1,446,658.90x = 2,170,078.44 × 381,702.06
  4. Step 4: Simplify right side
    1,446,658.90x = 828,323,410,909.59
  5. Step 5: Solve for x
    x = 828,323,410,909.59/1,446,658.90
  6. Step 6: Final answer
    x = 572,576.86

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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.