Finding the Fourth Proportional to 1,214,251.79, 1,675,669.87 and 670,388.63
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Solution
The fourth proportional to 1,214,251.79, 1,675,669.87 and 670,388.63 is: 925,137.63
Step by Step Solution
- Step 1: Write the proportion equation
1,214,251.79 : 1,675,669.87 = 670,388.63 : x - Step 2: Convert to fraction form
1,214,251.79/1,675,669.87 = 670,388.63/x - Step 3: Cross multiply
1,214,251.79x = 1,675,669.87 × 670,388.63 - Step 4: Simplify right side
1,214,251.79x = 1,123,350,025,129.64 - Step 5: Solve for x
x = 1,123,350,025,129.64/1,214,251.79 - Step 6: Final answer
x = 925,137.63
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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.