Finding the Fourth Proportional to 1,214,711.68, 1,676,302.12 and 705,446.86
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Solution
The fourth proportional to 1,214,711.68, 1,676,302.12 and 705,446.86 is: 973,516.67
Step by Step Solution
- Step 1: Write the proportion equation
1,214,711.68 : 1,676,302.12 = 705,446.86 : x - Step 2: Convert to fraction form
1,214,711.68/1,676,302.12 = 705,446.86/x - Step 3: Cross multiply
1,214,711.68x = 1,676,302.12 × 705,446.86 - Step 4: Simplify right side
1,214,711.68x = 1,182,542,066,965.34 - Step 5: Solve for x
x = 1,182,542,066,965.34/1,214,711.68 - Step 6: Final answer
x = 973,516.67
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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.