Home / 1,427,622.75-2,141,994.87-628,343.96

Finding the Fourth Proportional to 1,427,622.75, 2,141,994.87 and 628,343.96

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Solution

The fourth proportional to 1,427,622.75, 2,141,994.87 and 628,343.96 is: 942,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,622.75 : 2,141,994.87 = 628,343.96 : x
  2. Step 2: Convert to fraction form
    1,427,622.75/2,141,994.87 = 628,343.96/x
  3. Step 3: Cross multiply
    1,427,622.75x = 2,141,994.87 × 628,343.96
  4. Step 4: Simplify right side
    1,427,622.75x = 1,345,909,528,205.51
  5. Step 5: Solve for x
    x = 1,345,909,528,205.51/1,427,622.75
  6. Step 6: Final answer
    x = 942,762.73

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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.