Finding the Fourth Proportional to 1,090,461.64, 1,504,731.54 and 804,135.88
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Solution
The fourth proportional to 1,090,461.64, 1,504,731.54 and 804,135.88 is: 1,109,629.70
Step by Step Solution
- Step 1: Write the proportion equation
1,090,461.64 : 1,504,731.54 = 804,135.88 : x - Step 2: Convert to fraction form
1,090,461.64/1,504,731.54 = 804,135.88/x - Step 3: Cross multiply
1,090,461.64x = 1,504,731.54 × 804,135.88 - Step 4: Simplify right side
1,090,461.64x = 1,210,008,621,081.66 - Step 5: Solve for x
x = 1,210,008,621,081.66/1,090,461.64 - Step 6: Final answer
x = 1,109,629.70
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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.