Finding the Fourth Proportional to 1,102,981.28, 1,522,294.67 and 918,927.98
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Solution
The fourth proportional to 1,102,981.28, 1,522,294.67 and 918,927.98 is: 1,268,271.00
Step by Step Solution
- Step 1: Write the proportion equation
1,102,981.28 : 1,522,294.67 = 918,927.98 : x - Step 2: Convert to fraction form
1,102,981.28/1,522,294.67 = 918,927.98/x - Step 3: Cross multiply
1,102,981.28x = 1,522,294.67 × 918,927.98 - Step 4: Simplify right side
1,102,981.28x = 1,398,879,167,576.28 - Step 5: Solve for x
x = 1,398,879,167,576.28/1,102,981.28 - Step 6: Final answer
x = 1,268,271.00
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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.