Finding the Fourth Proportional to 1,121,762.05, 1,682,882.26 and 514,257.19
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Solution
The fourth proportional to 1,121,762.05, 1,682,882.26 and 514,257.19 is: 771,495.43
Step by Step Solution
- Step 1: Write the proportion equation
1,121,762.05 : 1,682,882.26 = 514,257.19 : x - Step 2: Convert to fraction form
1,121,762.05/1,682,882.26 = 514,257.19/x - Step 3: Cross multiply
1,121,762.05x = 1,682,882.26 × 514,257.19 - Step 4: Simplify right side
1,121,762.05x = 865,434,296,635.60 - Step 5: Solve for x
x = 865,434,296,635.60/1,121,762.05 - Step 6: Final answer
x = 771,495.43
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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.