Finding the Fourth Proportional to 1,478,838.77, 2,040,817.33 and 834,256.97
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Solution
The fourth proportional to 1,478,838.77, 2,040,817.33 and 834,256.97 is: 1,151,285.80
Step by Step Solution
- Step 1: Write the proportion equation
1,478,838.77 : 2,040,817.33 = 834,256.97 : x - Step 2: Convert to fraction form
1,478,838.77/2,040,817.33 = 834,256.97/x - Step 3: Cross multiply
1,478,838.77x = 2,040,817.33 × 834,256.97 - Step 4: Simplify right side
1,478,838.77x = 1,702,566,077,412.63 - Step 5: Solve for x
x = 1,702,566,077,412.63/1,478,838.77 - Step 6: Final answer
x = 1,151,285.80
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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.