Home / 1,333,278.40-2,004,583.20-1,305,284.80

Finding the Fourth Proportional to 1,333,278.40, 2,004,583.20 and 1,305,284.80

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Solution

The fourth proportional to 1,333,278.40, 2,004,583.20 and 1,305,284.80 is: 1,962,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,278.40 : 2,004,583.20 = 1,305,284.80 : x
  2. Step 2: Convert to fraction form
    1,333,278.40/2,004,583.20 = 1,305,284.80/x
  3. Step 3: Cross multiply
    1,333,278.40x = 2,004,583.20 × 1,305,284.80
  4. Step 4: Simplify right side
    1,333,278.40x = 2,616,551,981,295.36
  5. Step 5: Solve for x
    x = 2,616,551,981,295.36/1,333,278.40
  6. Step 6: Final answer
    x = 1,962,494.84

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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.