Finding the Fourth Proportional to 1,011,717.81, 1,514,857.28 and 770,683.48
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Solution
The fourth proportional to 1,011,717.81, 1,514,857.28 and 770,683.48 is: 1,153,953.66
Step by Step Solution
- Step 1: Write the proportion equation
1,011,717.81 : 1,514,857.28 = 770,683.48 : x - Step 2: Convert to fraction form
1,011,717.81/1,514,857.28 = 770,683.48/x - Step 3: Cross multiply
1,011,717.81x = 1,514,857.28 × 770,683.48 - Step 4: Simplify right side
1,011,717.81x = 1,167,475,472,613.17 - Step 5: Solve for x
x = 1,167,475,472,613.17/1,011,717.81 - Step 6: Final answer
x = 1,153,953.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.