Finding the Fourth Proportional to 1,301,355.42, 1,795,869.99 and 728,395.44
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Solution
The fourth proportional to 1,301,355.42, 1,795,869.99 and 728,395.44 is: 1,005,185.43
Step by Step Solution
- Step 1: Write the proportion equation
1,301,355.42 : 1,795,869.99 = 728,395.44 : x - Step 2: Convert to fraction form
1,301,355.42/1,795,869.99 = 728,395.44/x - Step 3: Cross multiply
1,301,355.42x = 1,795,869.99 × 728,395.44 - Step 4: Simplify right side
1,301,355.42x = 1,308,103,511,548.85 - Step 5: Solve for x
x = 1,308,103,511,548.85/1,301,355.42 - Step 6: Final answer
x = 1,005,185.43
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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.