Finding the Fourth Proportional to 1,296,838.76, 1,944,918.57 and 385,775.75
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Solution
The fourth proportional to 1,296,838.76, 1,944,918.57 and 385,775.75 is: 578,562.61
Step by Step Solution
- Step 1: Write the proportion equation
1,296,838.76 : 1,944,918.57 = 385,775.75 : x - Step 2: Convert to fraction form
1,296,838.76/1,944,918.57 = 385,775.75/x - Step 3: Cross multiply
1,296,838.76x = 1,944,918.57 × 385,775.75 - Step 4: Simplify right side
1,296,838.76x = 750,302,410,306.09 - Step 5: Solve for x
x = 750,302,410,306.09/1,296,838.76 - Step 6: Final answer
x = 578,562.61
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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.