Finding the Fourth Proportional to 1,046,137.40, 1,569,206.10 and 809,649.80
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Solution
The fourth proportional to 1,046,137.40, 1,569,206.10 and 809,649.80 is: 1,214,474.70
Step by Step Solution
- Step 1: Write the proportion equation
1,046,137.40 : 1,569,206.10 = 809,649.80 : x - Step 2: Convert to fraction form
1,046,137.40/1,569,206.10 = 809,649.80/x - Step 3: Cross multiply
1,046,137.40x = 1,569,206.10 × 809,649.80 - Step 4: Simplify right side
1,046,137.40x = 1,270,507,405,023.78 - Step 5: Solve for x
x = 1,270,507,405,023.78/1,046,137.40 - Step 6: Final answer
x = 1,214,474.70
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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.