Finding the Fourth Proportional to 1,162,992.42, 1,604,694.29 and 679,464.18
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Solution
The fourth proportional to 1,162,992.42, 1,604,694.29 and 679,464.18 is: 937,523.12
Step by Step Solution
- Step 1: Write the proportion equation
1,162,992.42 : 1,604,694.29 = 679,464.18 : x - Step 2: Convert to fraction form
1,162,992.42/1,604,694.29 = 679,464.18/x - Step 3: Cross multiply
1,162,992.42x = 1,604,694.29 × 679,464.18 - Step 4: Simplify right side
1,162,992.42x = 1,090,332,286,508.21 - Step 5: Solve for x
x = 1,090,332,286,508.21/1,162,992.42 - Step 6: Final answer
x = 937,523.12
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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.