Finding the Fourth Proportional to 1,098,186.99, 1,515,529.68 and 614,749.26
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Solution
The fourth proportional to 1,098,186.99, 1,515,529.68 and 614,749.26 is: 848,371.69
Step by Step Solution
- Step 1: Write the proportion equation
1,098,186.99 : 1,515,529.68 = 614,749.26 : x - Step 2: Convert to fraction form
1,098,186.99/1,515,529.68 = 614,749.26/x - Step 3: Cross multiply
1,098,186.99x = 1,515,529.68 × 614,749.26 - Step 4: Simplify right side
1,098,186.99x = 931,670,749,288.04 - Step 5: Solve for x
x = 931,670,749,288.04/1,098,186.99 - Step 6: Final answer
x = 848,371.69
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1.5x scale
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.