Finding the Fourth Proportional to 1,207,679.49, 1,666,593.90 and 663,849.18
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Solution
The fourth proportional to 1,207,679.49, 1,666,593.90 and 663,849.18 is: 916,109.78
Step by Step Solution
- Step 1: Write the proportion equation
1,207,679.49 : 1,666,593.90 = 663,849.18 : x - Step 2: Convert to fraction form
1,207,679.49/1,666,593.90 = 663,849.18/x - Step 3: Cross multiply
1,207,679.49x = 1,666,593.90 × 663,849.18 - Step 4: Simplify right side
1,207,679.49x = 1,106,366,993,908.00 - Step 5: Solve for x
x = 1,106,366,993,908.00/1,207,679.49 - Step 6: Final answer
x = 916,109.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.