Finding the Fourth Proportional to 1,244,645.98, 1,863,791.80 and 992,294.53
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Solution
The fourth proportional to 1,244,645.98, 1,863,791.80 and 992,294.53 is: 1,485,908.79
Step by Step Solution
- Step 1: Write the proportion equation
1,244,645.98 : 1,863,791.80 = 992,294.53 : x - Step 2: Convert to fraction form
1,244,645.98/1,863,791.80 = 992,294.53/x - Step 3: Cross multiply
1,244,645.98x = 1,863,791.80 × 992,294.53 - Step 4: Simplify right side
1,244,645.98x = 1,849,430,408,198.85 - Step 5: Solve for x
x = 1,849,430,408,198.85/1,244,645.98 - Step 6: Final answer
x = 1,485,908.79
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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.