Home / 1,268,281.60-1,749,301.32-809,711.44

Finding the Fourth Proportional to 1,268,281.60, 1,749,301.32 and 809,711.44

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Solution

The fourth proportional to 1,268,281.60, 1,749,301.32 and 809,711.44 is: 1,116,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,281.60 : 1,749,301.32 = 809,711.44 : x
  2. Step 2: Convert to fraction form
    1,268,281.60/1,749,301.32 = 809,711.44/x
  3. Step 3: Cross multiply
    1,268,281.60x = 1,749,301.32 × 809,711.44
  4. Step 4: Simplify right side
    1,268,281.60x = 1,416,429,290,811.10
  5. Step 5: Solve for x
    x = 1,416,429,290,811.10/1,268,281.60
  6. Step 6: Final answer
    x = 1,116,809.78

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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.