Finding the Fourth Proportional to 1,212,583.08, 1,818,374.19 and 413,929.02
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Solution
The fourth proportional to 1,212,583.08, 1,818,374.19 and 413,929.02 is: 620,722.70
Step by Step Solution
- Step 1: Write the proportion equation
1,212,583.08 : 1,818,374.19 = 413,929.02 : x - Step 2: Convert to fraction form
1,212,583.08/1,818,374.19 = 413,929.02/x - Step 3: Cross multiply
1,212,583.08x = 1,818,374.19 × 413,929.02 - Step 4: Simplify right side
1,212,583.08x = 752,677,846,459.99 - Step 5: Solve for x
x = 752,677,846,459.99/1,212,583.08 - Step 6: Final answer
x = 620,722.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.