Finding the Fourth Proportional to 1,172,353.84, 1,757,612.08 and 462,912.91
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Solution
The fourth proportional to 1,172,353.84, 1,757,612.08 and 462,912.91 is: 694,006.62
Step by Step Solution
- Step 1: Write the proportion equation
1,172,353.84 : 1,757,612.08 = 462,912.91 : x - Step 2: Convert to fraction form
1,172,353.84/1,757,612.08 = 462,912.91/x - Step 3: Cross multiply
1,172,353.84x = 1,757,612.08 × 462,912.91 - Step 4: Simplify right side
1,172,353.84x = 813,621,318,788.56 - Step 5: Solve for x
x = 813,621,318,788.56/1,172,353.84 - Step 6: Final answer
x = 694,006.62
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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.