Finding the Fourth Proportional to 1,190,727.84, 1,643,197.83 and 646,859.28
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Solution
The fourth proportional to 1,190,727.84, 1,643,197.83 and 646,859.28 is: 892,662.23
Step by Step Solution
- Step 1: Write the proportion equation
1,190,727.84 : 1,643,197.83 = 646,859.28 : x - Step 2: Convert to fraction form
1,190,727.84/1,643,197.83 = 646,859.28/x - Step 3: Cross multiply
1,190,727.84x = 1,643,197.83 × 646,859.28 - Step 4: Simplify right side
1,190,727.84x = 1,062,917,765,211.36 - Step 5: Solve for x
x = 1,062,917,765,211.36/1,190,727.84 - Step 6: Final answer
x = 892,662.23
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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.