Finding the Fourth Proportional to 1,213,176.14, 1,674,124.64 and 661,859.02
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Solution
The fourth proportional to 1,213,176.14, 1,674,124.64 and 661,859.02 is: 913,333.57
Step by Step Solution
- Step 1: Write the proportion equation
1,213,176.14 : 1,674,124.64 = 661,859.02 : x - Step 2: Convert to fraction form
1,213,176.14/1,674,124.64 = 661,859.02/x - Step 3: Cross multiply
1,213,176.14x = 1,674,124.64 × 661,859.02 - Step 4: Simplify right side
1,213,176.14x = 1,108,034,493,588.25 - Step 5: Solve for x
x = 1,108,034,493,588.25/1,213,176.14 - Step 6: Final answer
x = 913,333.57
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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.