Home / 1,427,507.34-2,141,821.44-628,228.26

Finding the Fourth Proportional to 1,427,507.34, 2,141,821.44 and 628,228.26

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Solution

The fourth proportional to 1,427,507.34, 2,141,821.44 and 628,228.26 is: 942,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,507.34 : 2,141,821.44 = 628,228.26 : x
  2. Step 2: Convert to fraction form
    1,427,507.34/2,141,821.44 = 628,228.26/x
  3. Step 3: Cross multiply
    1,427,507.34x = 2,141,821.44 × 628,228.26
  4. Step 4: Simplify right side
    1,427,507.34x = 1,345,552,756,481.89
  5. Step 5: Solve for x
    x = 1,345,552,756,481.89/1,427,507.34
  6. Step 6: Final answer
    x = 942,589.03

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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.