Home / 4,268,478.40-6,400,528.80-1,276,273.60

Finding the Fourth Proportional to 4,268,478.40, 6,400,528.80 and 1,276,273.60

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Solution

The fourth proportional to 4,268,478.40, 6,400,528.80 and 1,276,273.60 is: 1,913,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,478.40 : 6,400,528.80 = 1,276,273.60 : x
  2. Step 2: Convert to fraction form
    4,268,478.40/6,400,528.80 = 1,276,273.60/x
  3. Step 3: Cross multiply
    4,268,478.40x = 6,400,528.80 × 1,276,273.60
  4. Step 4: Simplify right side
    4,268,478.40x = 8,168,825,933,479.68
  5. Step 5: Solve for x
    x = 8,168,825,933,479.68/4,268,478.40
  6. Step 6: Final answer
    x = 1,913,755.95

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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.