Finding the Fourth Proportional to 1,385,925.26, 1,912,576.84 and 750,021.26
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Solution
The fourth proportional to 1,385,925.26, 1,912,576.84 and 750,021.26 is: 1,035,029.33
Step by Step Solution
- Step 1: Write the proportion equation
1,385,925.26 : 1,912,576.84 = 750,021.26 : x - Step 2: Convert to fraction form
1,385,925.26/1,912,576.84 = 750,021.26/x - Step 3: Cross multiply
1,385,925.26x = 1,912,576.84 × 750,021.26 - Step 4: Simplify right side
1,385,925.26x = 1,434,473,291,383.62 - Step 5: Solve for x
x = 1,434,473,291,383.62/1,385,925.26 - Step 6: Final answer
x = 1,035,029.33
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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.