Finding the Fourth Proportional to 1,312,544.41, 1,811,312.50 and 708,932.41
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Solution
The fourth proportional to 1,312,544.41, 1,811,312.50 and 708,932.41 is: 978,327.38
Step by Step Solution
- Step 1: Write the proportion equation
1,312,544.41 : 1,811,312.50 = 708,932.41 : x - Step 2: Convert to fraction form
1,312,544.41/1,811,312.50 = 708,932.41/x - Step 3: Cross multiply
1,312,544.41x = 1,811,312.50 × 708,932.41 - Step 4: Simplify right side
1,312,544.41x = 1,284,098,135,888.13 - Step 5: Solve for x
x = 1,284,098,135,888.13/1,312,544.41 - Step 6: Final answer
x = 978,327.38
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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.