Finding the Fourth Proportional to 1,259,169.62, 1,889,312.19 and 659,988.38
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Solution
The fourth proportional to 1,259,169.62, 1,889,312.19 and 659,988.38 is: 990,274.92
Step by Step Solution
- Step 1: Write the proportion equation
1,259,169.62 : 1,889,312.19 = 659,988.38 : x - Step 2: Convert to fraction form
1,259,169.62/1,889,312.19 = 659,988.38/x - Step 3: Cross multiply
1,259,169.62x = 1,889,312.19 × 659,988.38 - Step 4: Simplify right side
1,259,169.62x = 1,246,924,091,592.35 - Step 5: Solve for x
x = 1,246,924,091,592.35/1,259,169.62 - Step 6: Final answer
x = 990,274.92
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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.