Finding the Fourth Proportional to 1,097,574.05, 1,514,887.49 and 667,992.53
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Solution
The fourth proportional to 1,097,574.05, 1,514,887.49 and 667,992.53 is: 921,972.89
Step by Step Solution
- Step 1: Write the proportion equation
1,097,574.05 : 1,514,887.49 = 667,992.53 : x - Step 2: Convert to fraction form
1,097,574.05/1,514,887.49 = 667,992.53/x - Step 3: Cross multiply
1,097,574.05x = 1,514,887.49 × 667,992.53 - Step 4: Simplify right side
1,097,574.05x = 1,011,933,523,770.49 - Step 5: Solve for x
x = 1,011,933,523,770.49/1,097,574.05 - Step 6: Final answer
x = 921,972.89
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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.