Home / 1,028,328.40-1,544,857.44-725,419.72

Finding the Fourth Proportional to 1,028,328.40, 1,544,857.44 and 725,419.72

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Solution

The fourth proportional to 1,028,328.40, 1,544,857.44 and 725,419.72 is: 1,089,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,328.40 : 1,544,857.44 = 725,419.72 : x
  2. Step 2: Convert to fraction form
    1,028,328.40/1,544,857.44 = 725,419.72/x
  3. Step 3: Cross multiply
    1,028,328.40x = 1,544,857.44 × 725,419.72
  4. Step 4: Simplify right side
    1,028,328.40x = 1,120,670,051,564.72
  5. Step 5: Solve for x
    x = 1,120,670,051,564.72/1,028,328.40
  6. Step 6: Final answer
    x = 1,089,797.82

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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.