Home / 863,422.30-1,295,133.45-726,564.70

Finding the Fourth Proportional to 863,422.30, 1,295,133.45 and 726,564.70

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Solution

The fourth proportional to 863,422.30, 1,295,133.45 and 726,564.70 is: 1,089,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,422.30 : 1,295,133.45 = 726,564.70 : x
  2. Step 2: Convert to fraction form
    863,422.30/1,295,133.45 = 726,564.70/x
  3. Step 3: Cross multiply
    863,422.30x = 1,295,133.45 × 726,564.70
  4. Step 4: Simplify right side
    863,422.30x = 940,998,246,559.22
  5. Step 5: Solve for x
    x = 940,998,246,559.22/863,422.30
  6. Step 6: Final answer
    x = 1,089,847.05

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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.