Finding the Fourth Proportional to 1,031,814.70, 1,423,896.09 and 566,663.29
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Solution
The fourth proportional to 1,031,814.70, 1,423,896.09 and 566,663.29 is: 781,990.84
Step by Step Solution
- Step 1: Write the proportion equation
1,031,814.70 : 1,423,896.09 = 566,663.29 : x - Step 2: Convert to fraction form
1,031,814.70/1,423,896.09 = 566,663.29/x - Step 3: Cross multiply
1,031,814.70x = 1,423,896.09 × 566,663.29 - Step 4: Simplify right side
1,031,814.70x = 806,869,635,858.06 - Step 5: Solve for x
x = 806,869,635,858.06/1,031,814.70 - Step 6: Final answer
x = 781,990.84
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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.