Finding the Fourth Proportional to 1,163,405.80, 1,745,108.70 and 953,453.80
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Solution
The fourth proportional to 1,163,405.80, 1,745,108.70 and 953,453.80 is: 1,430,180.70
Step by Step Solution
- Step 1: Write the proportion equation
1,163,405.80 : 1,745,108.70 = 953,453.80 : x - Step 2: Convert to fraction form
1,163,405.80/1,745,108.70 = 953,453.80/x - Step 3: Cross multiply
1,163,405.80x = 1,745,108.70 × 953,453.80 - Step 4: Simplify right side
1,163,405.80x = 1,663,880,521,428.06 - Step 5: Solve for x
x = 1,663,880,521,428.06/1,163,405.80 - Step 6: Final answer
x = 1,430,180.70
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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.