Finding the Fourth Proportional to 1,098,837.84, 1,647,740.07 and 425,236.37
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Solution
The fourth proportional to 1,098,837.84, 1,647,740.07 and 425,236.37 is: 637,654.59
Step by Step Solution
- Step 1: Write the proportion equation
1,098,837.84 : 1,647,740.07 = 425,236.37 : x - Step 2: Convert to fraction form
1,098,837.84/1,647,740.07 = 425,236.37/x - Step 3: Cross multiply
1,098,837.84x = 1,647,740.07 × 425,236.37 - Step 4: Simplify right side
1,098,837.84x = 700,678,997,831.65 - Step 5: Solve for x
x = 700,678,997,831.65/1,098,837.84 - Step 6: Final answer
x = 637,654.59
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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.