Finding the Fourth Proportional to 1,415,181.09, 1,952,891.25 and 770,599.74
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Solution
The fourth proportional to 1,415,181.09, 1,952,891.25 and 770,599.74 is: 1,063,395.70
Step by Step Solution
- Step 1: Write the proportion equation
1,415,181.09 : 1,952,891.25 = 770,599.74 : x - Step 2: Convert to fraction form
1,415,181.09/1,952,891.25 = 770,599.74/x - Step 3: Cross multiply
1,415,181.09x = 1,952,891.25 × 770,599.74 - Step 4: Simplify right side
1,415,181.09x = 1,504,897,489,498.28 - Step 5: Solve for x
x = 1,504,897,489,498.28/1,415,181.09 - Step 6: Final answer
x = 1,063,395.70
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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.