Finding the Fourth Proportional to 1,351,496.34, 1,865,065.68 and 739,648.74
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Solution
The fourth proportional to 1,351,496.34, 1,865,065.68 and 739,648.74 is: 1,020,715.66
Step by Step Solution
- Step 1: Write the proportion equation
1,351,496.34 : 1,865,065.68 = 739,648.74 : x - Step 2: Convert to fraction form
1,351,496.34/1,865,065.68 = 739,648.74/x - Step 3: Cross multiply
1,351,496.34x = 1,865,065.68 × 739,648.74 - Step 4: Simplify right side
1,351,496.34x = 1,379,493,476,531.00 - Step 5: Solve for x
x = 1,379,493,476,531.00/1,351,496.34 - Step 6: Final answer
x = 1,020,715.66
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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.