Finding the Fourth Proportional to 1,293,599.80, 1,785,145.30 and 749,786.19
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Solution
The fourth proportional to 1,293,599.80, 1,785,145.30 and 749,786.19 is: 1,034,691.94
Step by Step Solution
- Step 1: Write the proportion equation
1,293,599.80 : 1,785,145.30 = 749,786.19 : x - Step 2: Convert to fraction form
1,293,599.80/1,785,145.30 = 749,786.19/x - Step 3: Cross multiply
1,293,599.80x = 1,785,145.30 × 749,786.19 - Step 4: Simplify right side
1,293,599.80x = 1,338,477,293,083.41 - Step 5: Solve for x
x = 1,338,477,293,083.41/1,293,599.80 - Step 6: Final answer
x = 1,034,691.94
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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.