Finding the Fourth Proportional to 1,312,652.70, 1,811,450.00 and 731,868.93
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Solution
The fourth proportional to 1,312,652.70, 1,811,450.00 and 731,868.93 is: 1,009,973.14
Step by Step Solution
- Step 1: Write the proportion equation
1,312,652.70 : 1,811,450.00 = 731,868.93 : x - Step 2: Convert to fraction form
1,312,652.70/1,811,450.00 = 731,868.93/x - Step 3: Cross multiply
1,312,652.70x = 1,811,450.00 × 731,868.93 - Step 4: Simplify right side
1,312,652.70x = 1,325,743,969,589.16 - Step 5: Solve for x
x = 1,325,743,969,589.16/1,312,652.70 - Step 6: Final answer
x = 1,009,973.14
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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.