Home / 995,861.80-1,493,792.70-285,826.60

Finding the Fourth Proportional to 995,861.80, 1,493,792.70 and 285,826.60

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Solution

The fourth proportional to 995,861.80, 1,493,792.70 and 285,826.60 is: 428,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,861.80 : 1,493,792.70 = 285,826.60 : x
  2. Step 2: Convert to fraction form
    995,861.80/1,493,792.70 = 285,826.60/x
  3. Step 3: Cross multiply
    995,861.80x = 1,493,792.70 × 285,826.60
  4. Step 4: Simplify right side
    995,861.80x = 426,965,688,545.82
  5. Step 5: Solve for x
    x = 426,965,688,545.82/995,861.80
  6. Step 6: Final answer
    x = 428,739.90

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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.