Finding the Fourth Proportional to 1,232,244.09, 1,848,268.94 and 390,803.13
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Solution
The fourth proportional to 1,232,244.09, 1,848,268.94 and 390,803.13 is: 586,173.87
Step by Step Solution
- Step 1: Write the proportion equation
1,232,244.09 : 1,848,268.94 = 390,803.13 : x - Step 2: Convert to fraction form
1,232,244.09/1,848,268.94 = 390,803.13/x - Step 3: Cross multiply
1,232,244.09x = 1,848,268.94 × 390,803.13 - Step 4: Simplify right side
1,232,244.09x = 722,309,284,879.77 - Step 5: Solve for x
x = 722,309,284,879.77/1,232,244.09 - Step 6: Final answer
x = 586,173.87
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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.