Finding the Fourth Proportional to 1,217,906.24, 1,680,698.23 and 674,043.08
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Solution
The fourth proportional to 1,217,906.24, 1,680,698.23 and 674,043.08 is: 930,172.59
Step by Step Solution
- Step 1: Write the proportion equation
1,217,906.24 : 1,680,698.23 = 674,043.08 : x - Step 2: Convert to fraction form
1,217,906.24/1,680,698.23 = 674,043.08/x - Step 3: Cross multiply
1,217,906.24x = 1,680,698.23 × 674,043.08 - Step 4: Simplify right side
1,217,906.24x = 1,132,863,001,411.15 - Step 5: Solve for x
x = 1,132,863,001,411.15/1,217,906.24 - Step 6: Final answer
x = 930,172.59
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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.