Finding the Fourth Proportional to 1,425,514.14, 1,967,259.56 and 780,934.26
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Solution
The fourth proportional to 1,425,514.14, 1,967,259.56 and 780,934.26 is: 1,077,716.70
Step by Step Solution
- Step 1: Write the proportion equation
1,425,514.14 : 1,967,259.56 = 780,934.26 : x - Step 2: Convert to fraction form
1,425,514.14/1,967,259.56 = 780,934.26/x - Step 3: Cross multiply
1,425,514.14x = 1,967,259.56 × 780,934.26 - Step 4: Simplify right side
1,425,514.14x = 1,536,300,392,189.08 - Step 5: Solve for x
x = 1,536,300,392,189.08/1,425,514.14 - Step 6: Final answer
x = 1,077,716.70
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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.