Finding the Fourth Proportional to 1,207,681.98, 1,811,741.70 and 497,322.54
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Solution
The fourth proportional to 1,207,681.98, 1,811,741.70 and 497,322.54 is: 746,073.88
Step by Step Solution
- Step 1: Write the proportion equation
1,207,681.98 : 1,811,741.70 = 497,322.54 : x - Step 2: Convert to fraction form
1,207,681.98/1,811,741.70 = 497,322.54/x - Step 3: Cross multiply
1,207,681.98x = 1,811,741.70 × 497,322.54 - Step 4: Simplify right side
1,207,681.98x = 901,019,984,067.92 - Step 5: Solve for x
x = 901,019,984,067.92/1,207,681.98 - Step 6: Final answer
x = 746,073.88
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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.