Finding the Fourth Proportional to 1,284,215.68, 1,772,232.51 and 711,265.42
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Solution
The fourth proportional to 1,284,215.68, 1,772,232.51 and 711,265.42 is: 981,554.52
Step by Step Solution
- Step 1: Write the proportion equation
1,284,215.68 : 1,772,232.51 = 711,265.42 : x - Step 2: Convert to fraction form
1,284,215.68/1,772,232.51 = 711,265.42/x - Step 3: Cross multiply
1,284,215.68x = 1,772,232.51 × 711,265.42 - Step 4: Simplify right side
1,284,215.68x = 1,260,527,700,562.80 - Step 5: Solve for x
x = 1,260,527,700,562.80/1,284,215.68 - Step 6: Final answer
x = 981,554.52
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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.