Finding the Fourth Proportional to 1,148,193.12, 1,722,407.04 and 438,818.16
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Solution
The fourth proportional to 1,148,193.12, 1,722,407.04 and 438,818.16 is: 658,272.09
Step by Step Solution
- Step 1: Write the proportion equation
1,148,193.12 : 1,722,407.04 = 438,818.16 : x - Step 2: Convert to fraction form
1,148,193.12/1,722,407.04 = 438,818.16/x - Step 3: Cross multiply
1,148,193.12x = 1,722,407.04 × 438,818.16 - Step 4: Simplify right side
1,148,193.12x = 755,823,488,063.85 - Step 5: Solve for x
x = 755,823,488,063.85/1,148,193.12 - Step 6: Final answer
x = 658,272.09
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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.