Finding the Fourth Proportional to 1,143,072.36, 1,576,716.84 and 734,471.90
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Solution
The fourth proportional to 1,143,072.36, 1,576,716.84 and 734,471.90 is: 1,013,106.65
Step by Step Solution
- Step 1: Write the proportion equation
1,143,072.36 : 1,576,716.84 = 734,471.90 : x - Step 2: Convert to fraction form
1,143,072.36/1,576,716.84 = 734,471.90/x - Step 3: Cross multiply
1,143,072.36x = 1,576,716.84 × 734,471.90 - Step 4: Simplify right side
1,143,072.36x = 1,158,054,213,236.80 - Step 5: Solve for x
x = 1,158,054,213,236.80/1,143,072.36 - Step 6: Final answer
x = 1,013,106.65
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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.