Finding the Fourth Proportional to 1,242,651.46, 1,863,982.05 and 378,094.99
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Solution
The fourth proportional to 1,242,651.46, 1,863,982.05 and 378,094.99 is: 567,143.96
Step by Step Solution
- Step 1: Write the proportion equation
1,242,651.46 : 1,863,982.05 = 378,094.99 : x - Step 2: Convert to fraction form
1,242,651.46/1,863,982.05 = 378,094.99/x - Step 3: Cross multiply
1,242,651.46x = 1,863,982.05 × 378,094.99 - Step 4: Simplify right side
1,242,651.46x = 704,762,274,554.93 - Step 5: Solve for x
x = 704,762,274,554.93/1,242,651.46 - Step 6: Final answer
x = 567,143.96
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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.