Home / 1,422,196.40-2,135,752.20-758,644.40

Finding the Fourth Proportional to 1,422,196.40, 2,135,752.20 and 758,644.40

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Solution

The fourth proportional to 1,422,196.40, 2,135,752.20 and 758,644.40 is: 1,139,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,196.40 : 2,135,752.20 = 758,644.40 : x
  2. Step 2: Convert to fraction form
    1,422,196.40/2,135,752.20 = 758,644.40/x
  3. Step 3: Cross multiply
    1,422,196.40x = 2,135,752.20 × 758,644.40
  4. Step 4: Simplify right side
    1,422,196.40x = 1,620,276,446,317.68
  5. Step 5: Solve for x
    x = 1,620,276,446,317.68/1,422,196.40
  6. Step 6: Final answer
    x = 1,139,277.56

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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.