Finding the Fourth Proportional to 1,141,224.30, 1,576,529.97 and 911,479.95
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Solution
The fourth proportional to 1,141,224.30, 1,576,529.97 and 911,479.95 is: 1,259,152.52
Step by Step Solution
- Step 1: Write the proportion equation
1,141,224.30 : 1,576,529.97 = 911,479.95 : x - Step 2: Convert to fraction form
1,141,224.30/1,576,529.97 = 911,479.95/x - Step 3: Cross multiply
1,141,224.30x = 1,576,529.97 × 911,479.95 - Step 4: Simplify right side
1,141,224.30x = 1,436,975,454,811.05 - Step 5: Solve for x
x = 1,436,975,454,811.05/1,141,224.30 - Step 6: Final answer
x = 1,259,152.52
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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.