Finding the Fourth Proportional to 1,304,866.88, 1,800,623.68 and 724,121.12
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Solution
The fourth proportional to 1,304,866.88, 1,800,623.68 and 724,121.12 is: 999,235.75
Step by Step Solution
- Step 1: Write the proportion equation
1,304,866.88 : 1,800,623.68 = 724,121.12 : x - Step 2: Convert to fraction form
1,304,866.88/1,800,623.68 = 724,121.12/x - Step 3: Cross multiply
1,304,866.88x = 1,800,623.68 × 724,121.12 - Step 4: Simplify right side
1,304,866.88x = 1,303,869,635,860.12 - Step 5: Solve for x
x = 1,303,869,635,860.12/1,304,866.88 - Step 6: Final answer
x = 999,235.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.