Finding the Fourth Proportional to 1,395,779.16, 2,091,912.66 and 756,058.44
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Solution
The fourth proportional to 1,395,779.16, 2,091,912.66 and 756,058.44 is: 1,133,136.44
Step by Step Solution
- Step 1: Write the proportion equation
1,395,779.16 : 2,091,912.66 = 756,058.44 : x - Step 2: Convert to fraction form
1,395,779.16/2,091,912.66 = 756,058.44/x - Step 3: Cross multiply
1,395,779.16x = 2,091,912.66 × 756,058.44 - Step 4: Simplify right side
1,395,779.16x = 1,581,608,222,335.85 - Step 5: Solve for x
x = 1,581,608,222,335.85/1,395,779.16 - Step 6: Final answer
x = 1,133,136.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.