Finding the Fourth Proportional to 1,070,092.44, 1,476,743.94 and 640,390.68
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Solution
The fourth proportional to 1,070,092.44, 1,476,743.94 and 640,390.68 is: 883,748.94
Step by Step Solution
- Step 1: Write the proportion equation
1,070,092.44 : 1,476,743.94 = 640,390.68 : x - Step 2: Convert to fraction form
1,070,092.44/1,476,743.94 = 640,390.68/x - Step 3: Cross multiply
1,070,092.44x = 1,476,743.94 × 640,390.68 - Step 4: Simplify right side
1,070,092.44x = 945,693,055,922.48 - Step 5: Solve for x
x = 945,693,055,922.48/1,070,092.44 - Step 6: Final answer
x = 883,748.94
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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.