Finding the Fourth Proportional to 1,070,236.28, 1,476,972.20 and 640,433.68
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Solution
The fourth proportional to 1,070,236.28, 1,476,972.20 and 640,433.68 is: 883,826.08
Step by Step Solution
- Step 1: Write the proportion equation
1,070,236.28 : 1,476,972.20 = 640,433.68 : x - Step 2: Convert to fraction form
1,070,236.28/1,476,972.20 = 640,433.68/x - Step 3: Cross multiply
1,070,236.28x = 1,476,972.20 × 640,433.68 - Step 4: Simplify right side
1,070,236.28x = 945,902,739,212.35 - Step 5: Solve for x
x = 945,902,739,212.35/1,070,236.28 - Step 6: Final answer
x = 883,826.08
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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.