Finding the Fourth Proportional to 1,147,137.43, 1,720,703.08 and 427,462.75
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Solution
The fourth proportional to 1,147,137.43, 1,720,703.08 and 427,462.75 is: 641,192.98
Step by Step Solution
- Step 1: Write the proportion equation
1,147,137.43 : 1,720,703.08 = 427,462.75 : x - Step 2: Convert to fraction form
1,147,137.43/1,720,703.08 = 427,462.75/x - Step 3: Cross multiply
1,147,137.43x = 1,720,703.08 × 427,462.75 - Step 4: Simplify right side
1,147,137.43x = 735,536,470,510.27 - Step 5: Solve for x
x = 735,536,470,510.27/1,147,137.43 - Step 6: Final answer
x = 641,192.98
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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.