Finding the Fourth Proportional to 1,245,784.19, 1,719,161.62 and 701,975.70
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Solution
The fourth proportional to 1,245,784.19, 1,719,161.62 and 701,975.70 is: 968,714.88
Step by Step Solution
- Step 1: Write the proportion equation
1,245,784.19 : 1,719,161.62 = 701,975.70 : x - Step 2: Convert to fraction form
1,245,784.19/1,719,161.62 = 701,975.70/x - Step 3: Cross multiply
1,245,784.19x = 1,719,161.62 × 701,975.70 - Step 4: Simplify right side
1,245,784.19x = 1,206,809,679,857.69 - Step 5: Solve for x
x = 1,206,809,679,857.69/1,245,784.19 - Step 6: Final answer
x = 968,714.88
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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.