Home / 1,581,059.60-2,181,861.80-855,906.80

Finding the Fourth Proportional to 1,581,059.60, 2,181,861.80 and 855,906.80

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Solution

The fourth proportional to 1,581,059.60, 2,181,861.80 and 855,906.80 is: 1,181,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,059.60 : 2,181,861.80 = 855,906.80 : x
  2. Step 2: Convert to fraction form
    1,581,059.60/2,181,861.80 = 855,906.80/x
  3. Step 3: Cross multiply
    1,581,059.60x = 2,181,861.80 × 855,906.80
  4. Step 4: Simplify right side
    1,581,059.60x = 1,867,470,351,280.24
  5. Step 5: Solve for x
    x = 1,867,470,351,280.24/1,581,059.60
  6. Step 6: Final answer
    x = 1,181,151.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.