Finding the Fourth Proportional to 1,219,217.94, 1,682,446.68 and 675,321.98
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Solution
The fourth proportional to 1,219,217.94, 1,682,446.68 and 675,321.98 is: 931,903.29
Step by Step Solution
- Step 1: Write the proportion equation
1,219,217.94 : 1,682,446.68 = 675,321.98 : x - Step 2: Convert to fraction form
1,219,217.94/1,682,446.68 = 675,321.98/x - Step 3: Cross multiply
1,219,217.94x = 1,682,446.68 × 675,321.98 - Step 4: Simplify right side
1,219,217.94x = 1,136,193,214,769.79 - Step 5: Solve for x
x = 1,136,193,214,769.79/1,219,217.94 - Step 6: Final answer
x = 931,903.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.