Finding the Fourth Proportional to 1,081,991.36, 1,493,121.12 and 598,583.36
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Solution
The fourth proportional to 1,081,991.36, 1,493,121.12 and 598,583.36 is: 826,030.12
Step by Step Solution
- Step 1: Write the proportion equation
1,081,991.36 : 1,493,121.12 = 598,583.36 : x - Step 2: Convert to fraction form
1,081,991.36/1,493,121.12 = 598,583.36/x - Step 3: Cross multiply
1,081,991.36x = 1,493,121.12 × 598,583.36 - Step 4: Simplify right side
1,081,991.36x = 893,757,456,896.56 - Step 5: Solve for x
x = 893,757,456,896.56/1,081,991.36 - Step 6: Final answer
x = 826,030.12
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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.