Finding the Fourth Proportional to 1,057,241.16, 1,586,026.98 and 347,107.68
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Solution
The fourth proportional to 1,057,241.16, 1,586,026.98 and 347,107.68 is: 520,715.77
Step by Step Solution
- Step 1: Write the proportion equation
1,057,241.16 : 1,586,026.98 = 347,107.68 : x - Step 2: Convert to fraction form
1,057,241.16/1,586,026.98 = 347,107.68/x - Step 3: Cross multiply
1,057,241.16x = 1,586,026.98 × 347,107.68 - Step 4: Simplify right side
1,057,241.16x = 550,522,145,445.21 - Step 5: Solve for x
x = 550,522,145,445.21/1,057,241.16 - Step 6: Final answer
x = 520,715.77
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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.