Finding the Fourth Proportional to 1,367,278.82, 1,886,864.59 and 755,445.68
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Solution
The fourth proportional to 1,367,278.82, 1,886,864.59 and 755,445.68 is: 1,042,525.99
Step by Step Solution
- Step 1: Write the proportion equation
1,367,278.82 : 1,886,864.59 = 755,445.68 : x - Step 2: Convert to fraction form
1,367,278.82/1,886,864.59 = 755,445.68/x - Step 3: Cross multiply
1,367,278.82x = 1,886,864.59 × 755,445.68 - Step 4: Simplify right side
1,367,278.82x = 1,425,423,703,260.47 - Step 5: Solve for x
x = 1,425,423,703,260.47/1,367,278.82 - Step 6: Final answer
x = 1,042,525.99
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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.