Finding the Fourth Proportional to 1,207,321.14, 1,665,739.82 and 723,709.82
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Solution
The fourth proportional to 1,207,321.14, 1,665,739.82 and 723,709.82 is: 998,501.75
Step by Step Solution
- Step 1: Write the proportion equation
1,207,321.14 : 1,665,739.82 = 723,709.82 : x - Step 2: Convert to fraction form
1,207,321.14/1,665,739.82 = 723,709.82/x - Step 3: Cross multiply
1,207,321.14x = 1,665,739.82 × 723,709.82 - Step 4: Simplify right side
1,207,321.14x = 1,205,512,265,299.03 - Step 5: Solve for x
x = 1,205,512,265,299.03/1,207,321.14 - Step 6: Final answer
x = 998,501.75
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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.