Home / 1,766,136.42-2,649,599.64-644,205.42

Finding the Fourth Proportional to 1,766,136.42, 2,649,599.64 and 644,205.42

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Solution

The fourth proportional to 1,766,136.42, 2,649,599.64 and 644,205.42 is: 966,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,136.42 : 2,649,599.64 = 644,205.42 : x
  2. Step 2: Convert to fraction form
    1,766,136.42/2,649,599.64 = 644,205.42/x
  3. Step 3: Cross multiply
    1,766,136.42x = 2,649,599.64 × 644,205.42
  4. Step 4: Simplify right side
    1,766,136.42x = 1,706,886,448,918.05
  5. Step 5: Solve for x
    x = 1,706,886,448,918.05/1,766,136.42
  6. Step 6: Final answer
    x = 966,452.21

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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.