Finding the Fourth Proportional to 1,135,441.62, 1,566,986.85 and 658,513.62
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Solution
The fourth proportional to 1,135,441.62, 1,566,986.85 and 658,513.62 is: 908,793.69
Step by Step Solution
- Step 1: Write the proportion equation
1,135,441.62 : 1,566,986.85 = 658,513.62 : x - Step 2: Convert to fraction form
1,135,441.62/1,566,986.85 = 658,513.62/x - Step 3: Cross multiply
1,135,441.62x = 1,566,986.85 × 658,513.62 - Step 4: Simplify right side
1,135,441.62x = 1,031,882,183,085.90 - Step 5: Solve for x
x = 1,031,882,183,085.90/1,135,441.62 - Step 6: Final answer
x = 908,793.69
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1.5x scale
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.