Finding the Fourth Proportional to 1,330,323.84, 1,996,152.96 and 620,407.68
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Solution
The fourth proportional to 1,330,323.84, 1,996,152.96 and 620,407.68 is: 930,922.67
Step by Step Solution
- Step 1: Write the proportion equation
1,330,323.84 : 1,996,152.96 = 620,407.68 : x - Step 2: Convert to fraction form
1,330,323.84/1,996,152.96 = 620,407.68/x - Step 3: Cross multiply
1,330,323.84x = 1,996,152.96 × 620,407.68 - Step 4: Simplify right side
1,330,323.84x = 1,238,428,626,838.73 - Step 5: Solve for x
x = 1,238,428,626,838.73/1,330,323.84 - Step 6: Final answer
x = 930,922.67
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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.