Finding the Fourth Proportional to 1,279,994.08, 1,766,147.52 and 770,729.44
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Solution
The fourth proportional to 1,279,994.08, 1,766,147.52 and 770,729.44 is: 1,063,459.52
Step by Step Solution
- Step 1: Write the proportion equation
1,279,994.08 : 1,766,147.52 = 770,729.44 : x - Step 2: Convert to fraction form
1,279,994.08/1,766,147.52 = 770,729.44/x - Step 3: Cross multiply
1,279,994.08x = 1,766,147.52 × 770,729.44 - Step 4: Simplify right side
1,279,994.08x = 1,361,221,889,046.99 - Step 5: Solve for x
x = 1,361,221,889,046.99/1,279,994.08 - Step 6: Final answer
x = 1,063,459.52
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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.