Finding the Fourth Proportional to 1,207,992.68, 1,667,035.62 and 664,163.67
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Solution
The fourth proportional to 1,207,992.68, 1,667,035.62 and 664,163.67 is: 916,549.01
Step by Step Solution
- Step 1: Write the proportion equation
1,207,992.68 : 1,667,035.62 = 664,163.67 : x - Step 2: Convert to fraction form
1,207,992.68/1,667,035.62 = 664,163.67/x - Step 3: Cross multiply
1,207,992.68x = 1,667,035.62 × 664,163.67 - Step 4: Simplify right side
1,207,992.68x = 1,107,184,495,399.93 - Step 5: Solve for x
x = 1,107,184,495,399.93/1,207,992.68 - Step 6: Final answer
x = 916,549.01
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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.