Finding the Fourth Proportional to 1,135,441.75, 1,566,987.03 and 658,513.75
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Solution
The fourth proportional to 1,135,441.75, 1,566,987.03 and 658,513.75 is: 908,793.87
Step by Step Solution
- Step 1: Write the proportion equation
1,135,441.75 : 1,566,987.03 = 658,513.75 : x - Step 2: Convert to fraction form
1,135,441.75/1,566,987.03 = 658,513.75/x - Step 3: Cross multiply
1,135,441.75x = 1,566,987.03 × 658,513.75 - Step 4: Simplify right side
1,135,441.75x = 1,031,882,505,326.66 - Step 5: Solve for x
x = 1,031,882,505,326.66/1,135,441.75 - Step 6: Final answer
x = 908,793.87
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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.