Finding the Fourth Proportional to 941,136.21, 1,411,556.09 and 782,232.44
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Solution
The fourth proportional to 941,136.21, 1,411,556.09 and 782,232.44 is: 1,173,225.45
Step by Step Solution
- Step 1: Write the proportion equation
941,136.21 : 1,411,556.09 = 782,232.44 : x - Step 2: Convert to fraction form
941,136.21/1,411,556.09 = 782,232.44/x - Step 3: Cross multiply
941,136.21x = 1,411,556.09 × 782,232.44 - Step 4: Simplify right side
941,136.21x = 1,104,164,953,508.62 - Step 5: Solve for x
x = 1,104,164,953,508.62/941,136.21 - Step 6: Final answer
x = 1,173,225.45
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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.