Finding the Fourth Proportional to 1,110,561.93, 1,665,944.55 and 311,838.09
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Solution
The fourth proportional to 1,110,561.93, 1,665,944.55 and 311,838.09 is: 467,785.68
Step by Step Solution
- Step 1: Write the proportion equation
1,110,561.93 : 1,665,944.55 = 311,838.09 : x - Step 2: Convert to fraction form
1,110,561.93/1,665,944.55 = 311,838.09/x - Step 3: Cross multiply
1,110,561.93x = 1,665,944.55 × 311,838.09 - Step 4: Simplify right side
1,110,561.93x = 519,504,966,517.91 - Step 5: Solve for x
x = 519,504,966,517.91/1,110,561.93 - Step 6: Final answer
x = 467,785.68
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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.