Home / 885,859.70-1,328,789.55-880,610.90

Finding the Fourth Proportional to 885,859.70, 1,328,789.55 and 880,610.90

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Solution

The fourth proportional to 885,859.70, 1,328,789.55 and 880,610.90 is: 1,320,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,859.70 : 1,328,789.55 = 880,610.90 : x
  2. Step 2: Convert to fraction form
    885,859.70/1,328,789.55 = 880,610.90/x
  3. Step 3: Cross multiply
    885,859.70x = 1,328,789.55 × 880,610.90
  4. Step 4: Simplify right side
    885,859.70x = 1,170,146,561,536.10
  5. Step 5: Solve for x
    x = 1,170,146,561,536.10/885,859.70
  6. Step 6: Final answer
    x = 1,320,916.35

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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.