Finding the Fourth Proportional to 1,192,768.24, 1,645,982.64 and 648,890.08
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Solution
The fourth proportional to 1,192,768.24, 1,645,982.64 and 648,890.08 is: 895,447.89
Step by Step Solution
- Step 1: Write the proportion equation
1,192,768.24 : 1,645,982.64 = 648,890.08 : x - Step 2: Convert to fraction form
1,192,768.24/1,645,982.64 = 648,890.08/x - Step 3: Cross multiply
1,192,768.24x = 1,645,982.64 × 648,890.08 - Step 4: Simplify right side
1,192,768.24x = 1,068,061,806,948.21 - Step 5: Solve for x
x = 1,068,061,806,948.21/1,192,768.24 - Step 6: Final answer
x = 895,447.89
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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.