Finding the Fourth Proportional to 1,057,524.63, 1,586,506.73 and 480,873.21
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Solution
The fourth proportional to 1,057,524.63, 1,586,506.73 and 480,873.21 is: 721,409.75
Step by Step Solution
- Step 1: Write the proportion equation
1,057,524.63 : 1,586,506.73 = 480,873.21 : x - Step 2: Convert to fraction form
1,057,524.63/1,586,506.73 = 480,873.21/x - Step 3: Cross multiply
1,057,524.63x = 1,586,506.73 × 480,873.21 - Step 4: Simplify right side
1,057,524.63x = 762,908,581,537.34 - Step 5: Solve for x
x = 762,908,581,537.34/1,057,524.63 - Step 6: Final answer
x = 721,409.75
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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.