Finding the Fourth Proportional to 1,424,037.68, 1,965,178.25 and 770,663.79
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Solution
The fourth proportional to 1,424,037.68, 1,965,178.25 and 770,663.79 is: 1,063,519.41
Step by Step Solution
- Step 1: Write the proportion equation
1,424,037.68 : 1,965,178.25 = 770,663.79 : x - Step 2: Convert to fraction form
1,424,037.68/1,965,178.25 = 770,663.79/x - Step 3: Cross multiply
1,424,037.68x = 1,965,178.25 × 770,663.79 - Step 4: Simplify right side
1,424,037.68x = 1,514,491,717,207.24 - Step 5: Solve for x
x = 1,514,491,717,207.24/1,424,037.68 - Step 6: Final answer
x = 1,063,519.41
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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.