Finding the Fourth Proportional to 1,392,155.70, 2,088,233.55 and 832,283.70
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Solution
The fourth proportional to 1,392,155.70, 2,088,233.55 and 832,283.70 is: 1,248,425.55
Step by Step Solution
- Step 1: Write the proportion equation
1,392,155.70 : 2,088,233.55 = 832,283.70 : x - Step 2: Convert to fraction form
1,392,155.70/2,088,233.55 = 832,283.70/x - Step 3: Cross multiply
1,392,155.70x = 2,088,233.55 × 832,283.70 - Step 4: Simplify right side
1,392,155.70x = 1,738,002,745,458.14 - Step 5: Solve for x
x = 1,738,002,745,458.14/1,392,155.70 - Step 6: Final answer
x = 1,248,425.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.