Home / 1,100,990.42-1,651,089.32-381,136.58

Finding the Fourth Proportional to 1,100,990.42, 1,651,089.32 and 381,136.58

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Solution

The fourth proportional to 1,100,990.42, 1,651,089.32 and 381,136.58 is: 571,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,990.42 : 1,651,089.32 = 381,136.58 : x
  2. Step 2: Convert to fraction form
    1,100,990.42/1,651,089.32 = 381,136.58/x
  3. Step 3: Cross multiply
    1,100,990.42x = 1,651,089.32 × 381,136.58
  4. Step 4: Simplify right side
    1,100,990.42x = 629,290,536,699.33
  5. Step 5: Solve for x
    x = 629,290,536,699.33/1,100,990.42
  6. Step 6: Final answer
    x = 571,567.68

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Double scale
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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.