Finding the Fourth Proportional to 1,207,452.40, 1,813,252.20 and 854,940.40
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Solution
The fourth proportional to 1,207,452.40, 1,813,252.20 and 854,940.40 is: 1,283,878.82
Step by Step Solution
- Step 1: Write the proportion equation
1,207,452.40 : 1,813,252.20 = 854,940.40 : x - Step 2: Convert to fraction form
1,207,452.40/1,813,252.20 = 854,940.40/x - Step 3: Cross multiply
1,207,452.40x = 1,813,252.20 × 854,940.40 - Step 4: Simplify right side
1,207,452.40x = 1,550,222,561,168.88 - Step 5: Solve for x
x = 1,550,222,561,168.88/1,207,452.40 - Step 6: Final answer
x = 1,283,878.82
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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.