Finding the Fourth Proportional to 1,032,789.09, 1,425,220.41 and 573,891.78
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Solution
The fourth proportional to 1,032,789.09, 1,425,220.41 and 573,891.78 is: 791,954.80
Step by Step Solution
- Step 1: Write the proportion equation
1,032,789.09 : 1,425,220.41 = 573,891.78 : x - Step 2: Convert to fraction form
1,032,789.09/1,425,220.41 = 573,891.78/x - Step 3: Cross multiply
1,032,789.09x = 1,425,220.41 × 573,891.78 - Step 4: Simplify right side
1,032,789.09x = 817,922,277,987.23 - Step 5: Solve for x
x = 817,922,277,987.23/1,032,789.09 - Step 6: Final answer
x = 791,954.80
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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.