Finding the Fourth Proportional to 1,310,764.98, 1,808,911.80 and 729,988.11
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Solution
The fourth proportional to 1,310,764.98, 1,808,911.80 and 729,988.11 is: 1,007,414.84
Step by Step Solution
- Step 1: Write the proportion equation
1,310,764.98 : 1,808,911.80 = 729,988.11 : x - Step 2: Convert to fraction form
1,310,764.98/1,808,911.80 = 729,988.11/x - Step 3: Cross multiply
1,310,764.98x = 1,808,911.80 × 729,988.11 - Step 4: Simplify right side
1,310,764.98x = 1,320,484,093,344.20 - Step 5: Solve for x
x = 1,320,484,093,344.20/1,310,764.98 - Step 6: Final answer
x = 1,007,414.84
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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.