Finding the Fourth Proportional to 1,351,280.98, 1,864,751.70 and 739,427.14
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Solution
The fourth proportional to 1,351,280.98, 1,864,751.70 and 739,427.14 is: 1,020,400.67
Step by Step Solution
- Step 1: Write the proportion equation
1,351,280.98 : 1,864,751.70 = 739,427.14 : x - Step 2: Convert to fraction form
1,351,280.98/1,864,751.70 = 739,427.14/x - Step 3: Cross multiply
1,351,280.98x = 1,864,751.70 × 739,427.14 - Step 4: Simplify right side
1,351,280.98x = 1,378,848,016,341.14 - Step 5: Solve for x
x = 1,378,848,016,341.14/1,351,280.98 - Step 6: Final answer
x = 1,020,400.67
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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.