Home / 1,268,280.60-1,749,299.94-809,710.44

Finding the Fourth Proportional to 1,268,280.60, 1,749,299.94 and 809,710.44

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Solution

The fourth proportional to 1,268,280.60, 1,749,299.94 and 809,710.44 is: 1,116,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,280.60 : 1,749,299.94 = 809,710.44 : x
  2. Step 2: Convert to fraction form
    1,268,280.60/1,749,299.94 = 809,710.44/x
  3. Step 3: Cross multiply
    1,268,280.60x = 1,749,299.94 × 809,710.44
  4. Step 4: Simplify right side
    1,268,280.60x = 1,416,426,424,109.37
  5. Step 5: Solve for x
    x = 1,416,426,424,109.37/1,268,280.60
  6. Step 6: Final answer
    x = 1,116,808.40

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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.