Finding the Fourth Proportional to 1,502,764.74, 2,073,809.97 and 814,453.29
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Solution
The fourth proportional to 1,502,764.74, 2,073,809.97 and 814,453.29 is: 1,123,942.63
Step by Step Solution
- Step 1: Write the proportion equation
1,502,764.74 : 2,073,809.97 = 814,453.29 : x - Step 2: Convert to fraction form
1,502,764.74/2,073,809.97 = 814,453.29/x - Step 3: Cross multiply
1,502,764.74x = 2,073,809.97 × 814,453.29 - Step 4: Simplify right side
1,502,764.74x = 1,689,021,352,901.30 - Step 5: Solve for x
x = 1,689,021,352,901.30/1,502,764.74 - Step 6: Final answer
x = 1,123,942.63
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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.