Finding the Fourth Proportional to 1,118,515.40, 1,674,273.90 and 880,569.80
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Solution
The fourth proportional to 1,118,515.40, 1,674,273.90 and 880,569.80 is: 1,318,099.90
Step by Step Solution
- Step 1: Write the proportion equation
1,118,515.40 : 1,674,273.90 = 880,569.80 : x - Step 2: Convert to fraction form
1,118,515.40/1,674,273.90 = 880,569.80/x - Step 3: Cross multiply
1,118,515.40x = 1,674,273.90 × 880,569.80 - Step 4: Simplify right side
1,118,515.40x = 1,474,315,033,268.22 - Step 5: Solve for x
x = 1,474,315,033,268.22/1,118,515.40 - Step 6: Final answer
x = 1,318,099.90
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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.