Finding the Fourth Proportional to 1,102,353.26, 1,653,103.42 and 428,345.84
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Solution
The fourth proportional to 1,102,353.26, 1,653,103.42 and 428,345.84 is: 642,353.04
Step by Step Solution
- Step 1: Write the proportion equation
1,102,353.26 : 1,653,103.42 = 428,345.84 : x - Step 2: Convert to fraction form
1,102,353.26/1,653,103.42 = 428,345.84/x - Step 3: Cross multiply
1,102,353.26x = 1,653,103.42 × 428,345.84 - Step 4: Simplify right side
1,102,353.26x = 708,099,973,046.77 - Step 5: Solve for x
x = 708,099,973,046.77/1,102,353.26 - Step 6: Final answer
x = 642,353.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.