Finding the Fourth Proportional to 1,126,604.75, 1,553,859.68 and 816,053.49
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Solution
The fourth proportional to 1,126,604.75, 1,553,859.68 and 816,053.49 is: 1,125,534.59
Step by Step Solution
- Step 1: Write the proportion equation
1,126,604.75 : 1,553,859.68 = 816,053.49 : x - Step 2: Convert to fraction form
1,126,604.75/1,553,859.68 = 816,053.49/x - Step 3: Cross multiply
1,126,604.75x = 1,553,859.68 × 816,053.49 - Step 4: Simplify right side
1,126,604.75x = 1,268,032,610,754.02 - Step 5: Solve for x
x = 1,268,032,610,754.02/1,126,604.75 - Step 6: Final answer
x = 1,125,534.59
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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.