Finding the Fourth Proportional to 1,193,124.12, 1,646,511.56 and 656,580.12
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Solution
The fourth proportional to 1,193,124.12, 1,646,511.56 and 656,580.12 is: 906,080.72
Step by Step Solution
- Step 1: Write the proportion equation
1,193,124.12 : 1,646,511.56 = 656,580.12 : x - Step 2: Convert to fraction form
1,193,124.12/1,646,511.56 = 656,580.12/x - Step 3: Cross multiply
1,193,124.12x = 1,646,511.56 × 656,580.12 - Step 4: Simplify right side
1,193,124.12x = 1,081,066,757,646.19 - Step 5: Solve for x
x = 1,081,066,757,646.19/1,193,124.12 - Step 6: Final answer
x = 906,080.72
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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.