Finding the Fourth Proportional to 1,216,322.13, 1,678,452.23 and 672,425.34
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Solution
The fourth proportional to 1,216,322.13, 1,678,452.23 and 672,425.34 is: 927,906.99
Step by Step Solution
- Step 1: Write the proportion equation
1,216,322.13 : 1,678,452.23 = 672,425.34 : x - Step 2: Convert to fraction form
1,216,322.13/1,678,452.23 = 672,425.34/x - Step 3: Cross multiply
1,216,322.13x = 1,678,452.23 × 672,425.34 - Step 4: Simplify right side
1,216,322.13x = 1,128,633,808,069.38 - Step 5: Solve for x
x = 1,128,633,808,069.38/1,216,322.13 - Step 6: Final answer
x = 927,906.99
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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.