Finding the Fourth Proportional to 1,192,368.74, 1,644,766.81 and 750,138.80
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Solution
The fourth proportional to 1,192,368.74, 1,644,766.81 and 750,138.80 is: 1,034,749.87
Step by Step Solution
- Step 1: Write the proportion equation
1,192,368.74 : 1,644,766.81 = 750,138.80 : x - Step 2: Convert to fraction form
1,192,368.74/1,644,766.81 = 750,138.80/x - Step 3: Cross multiply
1,192,368.74x = 1,644,766.81 × 750,138.80 - Step 4: Simplify right side
1,192,368.74x = 1,233,803,391,034.05 - Step 5: Solve for x
x = 1,233,803,391,034.05/1,192,368.74 - Step 6: Final answer
x = 1,034,749.87
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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.