Finding the Fourth Proportional to 1,284,169.08, 1,772,152.56 and 711,208.68
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Solution
The fourth proportional to 1,284,169.08, 1,772,152.56 and 711,208.68 is: 981,467.55
Step by Step Solution
- Step 1: Write the proportion equation
1,284,169.08 : 1,772,152.56 = 711,208.68 : x - Step 2: Convert to fraction form
1,284,169.08/1,772,152.56 = 711,208.68/x - Step 3: Cross multiply
1,284,169.08x = 1,772,152.56 × 711,208.68 - Step 4: Simplify right side
1,284,169.08x = 1,260,370,282,956.22 - Step 5: Solve for x
x = 1,260,370,282,956.22/1,284,169.08 - Step 6: Final answer
x = 981,467.55
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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.