Finding the Fourth Proportional to 1,207,211.01, 1,665,950.69 and 663,381.87
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Solution
The fourth proportional to 1,207,211.01, 1,665,950.69 and 663,381.87 is: 915,466.70
Step by Step Solution
- Step 1: Write the proportion equation
1,207,211.01 : 1,665,950.69 = 663,381.87 : x - Step 2: Convert to fraction form
1,207,211.01/1,665,950.69 = 663,381.87/x - Step 3: Cross multiply
1,207,211.01x = 1,665,950.69 × 663,381.87 - Step 4: Simplify right side
1,207,211.01x = 1,105,161,480,743.08 - Step 5: Solve for x
x = 1,105,161,480,743.08/1,207,211.01 - Step 6: Final answer
x = 915,466.70
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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.