Home / 1,339,664.40-2,008,913.40-440,758.80

Finding the Fourth Proportional to 1,339,664.40, 2,008,913.40 and 440,758.80

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Solution

The fourth proportional to 1,339,664.40, 2,008,913.40 and 440,758.80 is: 660,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,664.40 : 2,008,913.40 = 440,758.80 : x
  2. Step 2: Convert to fraction form
    1,339,664.40/2,008,913.40 = 440,758.80/x
  3. Step 3: Cross multiply
    1,339,664.40x = 2,008,913.40 × 440,758.80
  4. Step 4: Simplify right side
    1,339,664.40x = 885,446,259,487.92
  5. Step 5: Solve for x
    x = 885,446,259,487.92/1,339,664.40
  6. Step 6: Final answer
    x = 660,946.32

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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.