Finding the Fourth Proportional to 1,038,469.68, 1,556,635.32 and 753,450.12
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Solution
The fourth proportional to 1,038,469.68, 1,556,635.32 and 753,450.12 is: 1,129,399.43
Step by Step Solution
- Step 1: Write the proportion equation
1,038,469.68 : 1,556,635.32 = 753,450.12 : x - Step 2: Convert to fraction form
1,038,469.68/1,556,635.32 = 753,450.12/x - Step 3: Cross multiply
1,038,469.68x = 1,556,635.32 × 753,450.12 - Step 4: Simplify right side
1,038,469.68x = 1,172,847,068,650.24 - Step 5: Solve for x
x = 1,172,847,068,650.24/1,038,469.68 - Step 6: Final answer
x = 1,129,399.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.