Finding the Fourth Proportional to 1,118,244.26, 1,543,136.54 and 683,389.12
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Solution
The fourth proportional to 1,118,244.26, 1,543,136.54 and 683,389.12 is: 943,052.21
Step by Step Solution
- Step 1: Write the proportion equation
1,118,244.26 : 1,543,136.54 = 683,389.12 : x - Step 2: Convert to fraction form
1,118,244.26/1,543,136.54 = 683,389.12/x - Step 3: Cross multiply
1,118,244.26x = 1,543,136.54 × 683,389.12 - Step 4: Simplify right side
1,118,244.26x = 1,054,562,722,110.44 - Step 5: Solve for x
x = 1,054,562,722,110.44/1,118,244.26 - Step 6: Final answer
x = 943,052.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.