Finding the Fourth Proportional to 1,304,220.20, 1,956,330.30 and 545,930.60
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Solution
The fourth proportional to 1,304,220.20, 1,956,330.30 and 545,930.60 is: 818,895.90
Step by Step Solution
- Step 1: Write the proportion equation
1,304,220.20 : 1,956,330.30 = 545,930.60 : x - Step 2: Convert to fraction form
1,304,220.20/1,956,330.30 = 545,930.60/x - Step 3: Cross multiply
1,304,220.20x = 1,956,330.30 × 545,930.60 - Step 4: Simplify right side
1,304,220.20x = 1,068,020,574,477.18 - Step 5: Solve for x
x = 1,068,020,574,477.18/1,304,220.20 - Step 6: Final answer
x = 818,895.90
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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.