Finding the Fourth Proportional to 1,577,043.36, 2,365,564.78 and 378,965.68
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Solution
The fourth proportional to 1,577,043.36, 2,365,564.78 and 378,965.68 is: 568,448.46
Step by Step Solution
- Step 1: Write the proportion equation
1,577,043.36 : 2,365,564.78 = 378,965.68 : x - Step 2: Convert to fraction form
1,577,043.36/2,365,564.78 = 378,965.68/x - Step 3: Cross multiply
1,577,043.36x = 2,365,564.78 × 378,965.68 - Step 4: Simplify right side
1,577,043.36x = 896,467,865,436.75 - Step 5: Solve for x
x = 896,467,865,436.75/1,577,043.36 - Step 6: Final answer
x = 568,448.46
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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.