Finding the Fourth Proportional to 1,292,198.67, 1,783,234.24 and 719,226.54
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Solution
The fourth proportional to 1,292,198.67, 1,783,234.24 and 719,226.54 is: 992,532.67
Step by Step Solution
- Step 1: Write the proportion equation
1,292,198.67 : 1,783,234.24 = 719,226.54 : x - Step 2: Convert to fraction form
1,292,198.67/1,783,234.24 = 719,226.54/x - Step 3: Cross multiply
1,292,198.67x = 1,783,234.24 × 719,226.54 - Step 4: Simplify right side
1,292,198.67x = 1,282,549,390,646.66 - Step 5: Solve for x
x = 1,282,549,390,646.66/1,292,198.67 - Step 6: Final answer
x = 992,532.67
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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.