Finding the Fourth Proportional to 1,344,796.60, 2,015,423.70 and 988,137.40
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Solution
The fourth proportional to 1,344,796.60, 2,015,423.70 and 988,137.40 is: 1,480,904.65
Step by Step Solution
- Step 1: Write the proportion equation
1,344,796.60 : 2,015,423.70 = 988,137.40 : x - Step 2: Convert to fraction form
1,344,796.60/2,015,423.70 = 988,137.40/x - Step 3: Cross multiply
1,344,796.60x = 2,015,423.70 × 988,137.40 - Step 4: Simplify right side
1,344,796.60x = 1,991,515,534,816.38 - Step 5: Solve for x
x = 1,991,515,534,816.38/1,344,796.60 - Step 6: Final answer
x = 1,480,904.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.