Home / 1,544,206.40-2,316,309.60-422,388.80

Finding the Fourth Proportional to 1,544,206.40, 2,316,309.60 and 422,388.80

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Solution

The fourth proportional to 1,544,206.40, 2,316,309.60 and 422,388.80 is: 633,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,206.40 : 2,316,309.60 = 422,388.80 : x
  2. Step 2: Convert to fraction form
    1,544,206.40/2,316,309.60 = 422,388.80/x
  3. Step 3: Cross multiply
    1,544,206.40x = 2,316,309.60 × 422,388.80
  4. Step 4: Simplify right side
    1,544,206.40x = 978,383,232,372.48
  5. Step 5: Solve for x
    x = 978,383,232,372.48/1,544,206.40
  6. Step 6: Final answer
    x = 633,583.20

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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.