Finding the Fourth Proportional to 1,208,164.21, 1,812,952.99 and 450,529.09
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Solution
The fourth proportional to 1,208,164.21, 1,812,952.99 and 450,529.09 is: 676,057.15
Step by Step Solution
- Step 1: Write the proportion equation
1,208,164.21 : 1,812,952.99 = 450,529.09 : x - Step 2: Convert to fraction form
1,208,164.21/1,812,952.99 = 450,529.09/x - Step 3: Cross multiply
1,208,164.21x = 1,812,952.99 × 450,529.09 - Step 4: Simplify right side
1,208,164.21x = 816,788,054,294.03 - Step 5: Solve for x
x = 816,788,054,294.03/1,208,164.21 - Step 6: Final answer
x = 676,057.15
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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.