Finding the Fourth Proportional to 1,239,916.05, 1,860,583.64 and 481,659.26
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Solution
The fourth proportional to 1,239,916.05, 1,860,583.64 and 481,659.26 is: 722,764.52
Step by Step Solution
- Step 1: Write the proportion equation
1,239,916.05 : 1,860,583.64 = 481,659.26 : x - Step 2: Convert to fraction form
1,239,916.05/1,860,583.64 = 481,659.26/x - Step 3: Cross multiply
1,239,916.05x = 1,860,583.64 × 481,659.26 - Step 4: Simplify right side
1,239,916.05x = 896,167,327,499.29 - Step 5: Solve for x
x = 896,167,327,499.29/1,239,916.05 - Step 6: Final answer
x = 722,764.52
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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.