Home / 1,268,256.64-1,750,374.40-784,977.60

Finding the Fourth Proportional to 1,268,256.64, 1,750,374.40 and 784,977.60

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Solution

The fourth proportional to 1,268,256.64, 1,750,374.40 and 784,977.60 is: 1,083,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,256.64 : 1,750,374.40 = 784,977.60 : x
  2. Step 2: Convert to fraction form
    1,268,256.64/1,750,374.40 = 784,977.60/x
  3. Step 3: Cross multiply
    1,268,256.64x = 1,750,374.40 × 784,977.60
  4. Step 4: Simplify right side
    1,268,256.64x = 1,374,004,695,613.44
  5. Step 5: Solve for x
    x = 1,374,004,695,613.44/1,268,256.64
  6. Step 6: Final answer
    x = 1,083,380.64

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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.