Finding the Fourth Proportional to 1,193,143.40, 1,646,538.16 and 656,599.40
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Solution
The fourth proportional to 1,193,143.40, 1,646,538.16 and 656,599.40 is: 906,107.32
Step by Step Solution
- Step 1: Write the proportion equation
1,193,143.40 : 1,646,538.16 = 656,599.40 : x - Step 2: Convert to fraction form
1,193,143.40/1,646,538.16 = 656,599.40/x - Step 3: Cross multiply
1,193,143.40x = 1,646,538.16 × 656,599.40 - Step 4: Simplify right side
1,193,143.40x = 1,081,115,967,933.10 - Step 5: Solve for x
x = 1,081,115,967,933.10/1,193,143.40 - Step 6: Final answer
x = 906,107.32
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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.