Finding the Fourth Proportional to 1,488,262.32, 2,053,828.80 and 809,203.68
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Solution
The fourth proportional to 1,488,262.32, 2,053,828.80 and 809,203.68 is: 1,116,715.65
Step by Step Solution
- Step 1: Write the proportion equation
1,488,262.32 : 2,053,828.80 = 809,203.68 : x - Step 2: Convert to fraction form
1,488,262.32/2,053,828.80 = 809,203.68/x - Step 3: Cross multiply
1,488,262.32x = 2,053,828.80 × 809,203.68 - Step 4: Simplify right side
1,488,262.32x = 1,661,965,823,049.98 - Step 5: Solve for x
x = 1,661,965,823,049.98/1,488,262.32 - Step 6: Final answer
x = 1,116,715.65
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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.