Home / 1,333,302.40-2,004,619.20-1,305,308.80

Finding the Fourth Proportional to 1,333,302.40, 2,004,619.20 and 1,305,308.80

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Solution

The fourth proportional to 1,333,302.40, 2,004,619.20 and 1,305,308.80 is: 1,962,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,302.40 : 2,004,619.20 = 1,305,308.80 : x
  2. Step 2: Convert to fraction form
    1,333,302.40/2,004,619.20 = 1,305,308.80/x
  3. Step 3: Cross multiply
    1,333,302.40x = 2,004,619.20 × 1,305,308.80
  4. Step 4: Simplify right side
    1,333,302.40x = 2,616,647,082,408.96
  5. Step 5: Solve for x
    x = 2,616,647,082,408.96/1,333,302.40
  6. Step 6: Final answer
    x = 1,962,530.84

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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.