Finding the Fourth Proportional to 1,389,049.86, 2,083,553.19 and 442,412.58
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Solution
The fourth proportional to 1,389,049.86, 2,083,553.19 and 442,412.58 is: 663,611.99
Step by Step Solution
- Step 1: Write the proportion equation
1,389,049.86 : 2,083,553.19 = 442,412.58 : x - Step 2: Convert to fraction form
1,389,049.86/2,083,553.19 = 442,412.58/x - Step 3: Cross multiply
1,389,049.86x = 2,083,553.19 × 442,412.58 - Step 4: Simplify right side
1,389,049.86x = 921,790,142,355.13 - Step 5: Solve for x
x = 921,790,142,355.13/1,389,049.86 - Step 6: Final answer
x = 663,611.99
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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.