Finding the Fourth Proportional to 1,360,185.70, 2,040,392.76 and 413,564.62
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Solution
The fourth proportional to 1,360,185.70, 2,040,392.76 and 413,564.62 is: 620,381.66
Step by Step Solution
- Step 1: Write the proportion equation
1,360,185.70 : 2,040,392.76 = 413,564.62 : x - Step 2: Convert to fraction form
1,360,185.70/2,040,392.76 = 413,564.62/x - Step 3: Cross multiply
1,360,185.70x = 2,040,392.76 × 413,564.62 - Step 4: Simplify right side
1,360,185.70x = 843,834,256,440.15 - Step 5: Solve for x
x = 843,834,256,440.15/1,360,185.70 - Step 6: Final answer
x = 620,381.66
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1.5x scale
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.