Finding the Fourth Proportional to 1,362,280.74, 1,879,805.99 and 838,908.15
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Solution
The fourth proportional to 1,362,280.74, 1,879,805.99 and 838,908.15 is: 1,157,606.15
Step by Step Solution
- Step 1: Write the proportion equation
1,362,280.74 : 1,879,805.99 = 838,908.15 : x - Step 2: Convert to fraction form
1,362,280.74/1,879,805.99 = 838,908.15/x - Step 3: Cross multiply
1,362,280.74x = 1,879,805.99 × 838,908.15 - Step 4: Simplify right side
1,362,280.74x = 1,576,984,567,527.09 - Step 5: Solve for x
x = 1,576,984,567,527.09/1,362,280.74 - Step 6: Final answer
x = 1,157,606.15
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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.