Finding the Fourth Proportional to 1,040,748.21, 1,436,153.29 and 632,793.43
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Solution
The fourth proportional to 1,040,748.21, 1,436,153.29 and 632,793.43 is: 873,206.75
Step by Step Solution
- Step 1: Write the proportion equation
1,040,748.21 : 1,436,153.29 = 632,793.43 : x - Step 2: Convert to fraction form
1,040,748.21/1,436,153.29 = 632,793.43/x - Step 3: Cross multiply
1,040,748.21x = 1,436,153.29 × 632,793.43 - Step 4: Simplify right side
1,040,748.21x = 908,788,366,598.09 - Step 5: Solve for x
x = 908,788,366,598.09/1,040,748.21 - Step 6: Final answer
x = 873,206.75
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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.