Finding the Fourth Proportional to 1,190,622.24, 1,643,060.43 and 646,758.14
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Solution
The fourth proportional to 1,190,622.24, 1,643,060.43 and 646,758.14 is: 892,527.17
Step by Step Solution
- Step 1: Write the proportion equation
1,190,622.24 : 1,643,060.43 = 646,758.14 : x - Step 2: Convert to fraction form
1,190,622.24/1,643,060.43 = 646,758.14/x - Step 3: Cross multiply
1,190,622.24x = 1,643,060.43 × 646,758.14 - Step 4: Simplify right side
1,190,622.24x = 1,062,662,699,399.10 - Step 5: Solve for x
x = 1,062,662,699,399.10/1,190,622.24 - Step 6: Final answer
x = 892,527.17
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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.