Finding the Fourth Proportional to 1,202,740.62, 1,659,784.06 and 658,864.55
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Solution
The fourth proportional to 1,202,740.62, 1,659,784.06 and 658,864.55 is: 909,234.17
Step by Step Solution
- Step 1: Write the proportion equation
1,202,740.62 : 1,659,784.06 = 658,864.55 : x - Step 2: Convert to fraction form
1,202,740.62/1,659,784.06 = 658,864.55/x - Step 3: Cross multiply
1,202,740.62x = 1,659,784.06 × 658,864.55 - Step 4: Simplify right side
1,202,740.62x = 1,093,572,874,494.75 - Step 5: Solve for x
x = 1,093,572,874,494.75/1,202,740.62 - Step 6: Final answer
x = 909,234.17
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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.