Finding the Fourth Proportional to 1,119,684.84, 1,542,216.42 and 928,084.20
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Solution
The fourth proportional to 1,119,684.84, 1,542,216.42 and 928,084.20 is: 1,278,312.11
Step by Step Solution
- Step 1: Write the proportion equation
1,119,684.84 : 1,542,216.42 = 928,084.20 : x - Step 2: Convert to fraction form
1,119,684.84/1,542,216.42 = 928,084.20/x - Step 3: Cross multiply
1,119,684.84x = 1,542,216.42 × 928,084.20 - Step 4: Simplify right side
1,119,684.84x = 1,431,306,692,382.56 - Step 5: Solve for x
x = 1,431,306,692,382.56/1,119,684.84 - Step 6: Final answer
x = 1,278,312.11
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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.