Finding the Fourth Proportional to 1,124,548.38, 1,686,634.65 and 493,292.70
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Solution
The fourth proportional to 1,124,548.38, 1,686,634.65 and 493,292.70 is: 739,856.62
Step by Step Solution
- Step 1: Write the proportion equation
1,124,548.38 : 1,686,634.65 = 493,292.70 : x - Step 2: Convert to fraction form
1,124,548.38/1,686,634.65 = 493,292.70/x - Step 3: Cross multiply
1,124,548.38x = 1,686,634.65 × 493,292.70 - Step 4: Simplify right side
1,124,548.38x = 832,004,560,412.06 - Step 5: Solve for x
x = 832,004,560,412.06/1,124,548.38 - Step 6: Final answer
x = 739,856.62
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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.