Finding the Fourth Proportional to 1,137,968.73, 1,707,207.30 and 428,002.92
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Solution
The fourth proportional to 1,137,968.73, 1,707,207.30 and 428,002.92 is: 642,099.99
Step by Step Solution
- Step 1: Write the proportion equation
1,137,968.73 : 1,707,207.30 = 428,002.92 : x - Step 2: Convert to fraction form
1,137,968.73/1,707,207.30 = 428,002.92/x - Step 3: Cross multiply
1,137,968.73x = 1,707,207.30 × 428,002.92 - Step 4: Simplify right side
1,137,968.73x = 730,689,709,445.32 - Step 5: Solve for x
x = 730,689,709,445.32/1,137,968.73 - Step 6: Final answer
x = 642,099.99
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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.