Finding the Fourth Proportional to 1,288,835.97, 1,778,193.33 and 744,773.55
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Solution
The fourth proportional to 1,288,835.97, 1,778,193.33 and 744,773.55 is: 1,027,556.17
Step by Step Solution
- Step 1: Write the proportion equation
1,288,835.97 : 1,778,193.33 = 744,773.55 : x - Step 2: Convert to fraction form
1,288,835.97/1,778,193.33 = 744,773.55/x - Step 3: Cross multiply
1,288,835.97x = 1,778,193.33 × 744,773.55 - Step 4: Simplify right side
1,288,835.97x = 1,324,351,358,970.42 - Step 5: Solve for x
x = 1,324,351,358,970.42/1,288,835.97 - Step 6: Final answer
x = 1,027,556.17
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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.