Home / 1,268,750.52-1,750,867.65-725,052.60

Finding the Fourth Proportional to 1,268,750.52, 1,750,867.65 and 725,052.60

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Solution

The fourth proportional to 1,268,750.52, 1,750,867.65 and 725,052.60 is: 1,000,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,750.52 : 1,750,867.65 = 725,052.60 : x
  2. Step 2: Convert to fraction form
    1,268,750.52/1,750,867.65 = 725,052.60/x
  3. Step 3: Cross multiply
    1,268,750.52x = 1,750,867.65 × 725,052.60
  4. Step 4: Simplify right side
    1,268,750.52x = 1,269,471,141,888.39
  5. Step 5: Solve for x
    x = 1,269,471,141,888.39/1,268,750.52
  6. Step 6: Final answer
    x = 1,000,567.98

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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.