Home / 1,798,215.72-2,698,650.90-851,584.92

Finding the Fourth Proportional to 1,798,215.72, 2,698,650.90 and 851,584.92

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Solution

The fourth proportional to 1,798,215.72, 2,698,650.90 and 851,584.92 is: 1,278,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,215.72 : 2,698,650.90 = 851,584.92 : x
  2. Step 2: Convert to fraction form
    1,798,215.72/2,698,650.90 = 851,584.92/x
  3. Step 3: Cross multiply
    1,798,215.72x = 2,698,650.90 × 851,584.92
  4. Step 4: Simplify right side
    1,798,215.72x = 2,298,130,410,784.43
  5. Step 5: Solve for x
    x = 2,298,130,410,784.43/1,798,215.72
  6. Step 6: Final answer
    x = 1,278,005.96

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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.