Home / 1,430,660.21-2,146,322.68-419,741.33

Finding the Fourth Proportional to 1,430,660.21, 2,146,322.68 and 419,741.33

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Solution

The fourth proportional to 1,430,660.21, 2,146,322.68 and 419,741.33 is: 629,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,660.21 : 2,146,322.68 = 419,741.33 : x
  2. Step 2: Convert to fraction form
    1,430,660.21/2,146,322.68 = 419,741.33/x
  3. Step 3: Cross multiply
    1,430,660.21x = 2,146,322.68 × 419,741.33
  4. Step 4: Simplify right side
    1,430,660.21x = 900,900,324,531.40
  5. Step 5: Solve for x
    x = 900,900,324,531.40/1,430,660.21
  6. Step 6: Final answer
    x = 629,709.50

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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.