Finding the Fourth Proportional to 1,129,541.37, 1,558,760.06 and 646,114.58
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Solution
The fourth proportional to 1,129,541.37, 1,558,760.06 and 646,114.58 is: 891,634.09
Step by Step Solution
- Step 1: Write the proportion equation
1,129,541.37 : 1,558,760.06 = 646,114.58 : x - Step 2: Convert to fraction form
1,129,541.37/1,558,760.06 = 646,114.58/x - Step 3: Cross multiply
1,129,541.37x = 1,558,760.06 × 646,114.58 - Step 4: Simplify right side
1,129,541.37x = 1,007,137,590,463.30 - Step 5: Solve for x
x = 1,007,137,590,463.30/1,129,541.37 - Step 6: Final answer
x = 891,634.09
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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.