Finding the Fourth Proportional to 1,057,950.11, 1,587,193.79 and 489,740.99
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Solution
The fourth proportional to 1,057,950.11, 1,587,193.79 and 489,740.99 is: 734,735.82
Step by Step Solution
- Step 1: Write the proportion equation
1,057,950.11 : 1,587,193.79 = 489,740.99 : x - Step 2: Convert to fraction form
1,057,950.11/1,587,193.79 = 489,740.99/x - Step 3: Cross multiply
1,057,950.11x = 1,587,193.79 × 489,740.99 - Step 4: Simplify right side
1,057,950.11x = 777,313,847,651.78 - Step 5: Solve for x
x = 777,313,847,651.78/1,057,950.11 - Step 6: Final answer
x = 734,735.82
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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.