Finding the Fourth Proportional to 1,029,905.70, 1,544,858.55 and 874,385.70
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Solution
The fourth proportional to 1,029,905.70, 1,544,858.55 and 874,385.70 is: 1,311,578.55
Step by Step Solution
- Step 1: Write the proportion equation
1,029,905.70 : 1,544,858.55 = 874,385.70 : x - Step 2: Convert to fraction form
1,029,905.70/1,544,858.55 = 874,385.70/x - Step 3: Cross multiply
1,029,905.70x = 1,544,858.55 × 874,385.70 - Step 4: Simplify right side
1,029,905.70x = 1,350,802,224,642.73 - Step 5: Solve for x
x = 1,350,802,224,642.73/1,029,905.70 - Step 6: Final answer
x = 1,311,578.55
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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.