Finding the Fourth Proportional to 1,175,619.24, 1,622,373.30 and 666,310.68
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Solution
The fourth proportional to 1,175,619.24, 1,622,373.30 and 666,310.68 is: 919,519.36
Step by Step Solution
- Step 1: Write the proportion equation
1,175,619.24 : 1,622,373.30 = 666,310.68 : x - Step 2: Convert to fraction form
1,175,619.24/1,622,373.30 = 666,310.68/x - Step 3: Cross multiply
1,175,619.24x = 1,622,373.30 × 666,310.68 - Step 4: Simplify right side
1,175,619.24x = 1,081,004,656,736.84 - Step 5: Solve for x
x = 1,081,004,656,736.84/1,175,619.24 - Step 6: Final answer
x = 919,519.36
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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.