Finding the Fourth Proportional to 1,362,280.99, 1,879,806.34 and 838,908.40
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Solution
The fourth proportional to 1,362,280.99, 1,879,806.34 and 838,908.40 is: 1,157,606.50
Step by Step Solution
- Step 1: Write the proportion equation
1,362,280.99 : 1,879,806.34 = 838,908.40 : x - Step 2: Convert to fraction form
1,362,280.99/1,879,806.34 = 838,908.40/x - Step 3: Cross multiply
1,362,280.99x = 1,879,806.34 × 838,908.40 - Step 4: Simplify right side
1,362,280.99x = 1,576,985,328,999.26 - Step 5: Solve for x
x = 1,576,985,328,999.26/1,362,280.99 - Step 6: Final answer
x = 1,157,606.50
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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.