Home / 885,249.60-1,325,906.10-684,920.40

Finding the Fourth Proportional to 885,249.60, 1,325,906.10 and 684,920.40

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Solution

The fourth proportional to 885,249.60, 1,325,906.10 and 684,920.40 is: 1,025,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,249.60 : 1,325,906.10 = 684,920.40 : x
  2. Step 2: Convert to fraction form
    885,249.60/1,325,906.10 = 684,920.40/x
  3. Step 3: Cross multiply
    885,249.60x = 1,325,906.10 × 684,920.40
  4. Step 4: Simplify right side
    885,249.60x = 908,140,136,374.44
  5. Step 5: Solve for x
    x = 908,140,136,374.44/885,249.60
  6. Step 6: Final answer
    x = 1,025,857.72

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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.