Finding the Fourth Proportional to 1,011,814, 1,396,382.70 and 576,249.68
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Solution
The fourth proportional to 1,011,814, 1,396,382.70 and 576,249.68 is: 795,269.77
Step by Step Solution
- Step 1: Write the proportion equation
1,011,814 : 1,396,382.70 = 576,249.68 : x - Step 2: Convert to fraction form
1,011,814/1,396,382.70 = 576,249.68/x - Step 3: Cross multiply
1,011,814x = 1,396,382.70 × 576,249.68 - Step 4: Simplify right side
1,011,814x = 804,665,084,032.54 - Step 5: Solve for x
x = 804,665,084,032.54/1,011,814 - Step 6: Final answer
x = 795,269.77
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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.