Finding the Fourth Proportional to 1,438,514.75, 1,985,140.58 and 793,934.93
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Solution
The fourth proportional to 1,438,514.75, 1,985,140.58 and 793,934.93 is: 1,095,624.80
Step by Step Solution
- Step 1: Write the proportion equation
1,438,514.75 : 1,985,140.58 = 793,934.93 : x - Step 2: Convert to fraction form
1,438,514.75/1,985,140.58 = 793,934.93/x - Step 3: Cross multiply
1,438,514.75x = 1,985,140.58 × 793,934.93 - Step 4: Simplify right side
1,438,514.75x = 1,576,072,433,527.08 - Step 5: Solve for x
x = 1,576,072,433,527.08/1,438,514.75 - Step 6: Final answer
x = 1,095,624.80
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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.