Finding the Fourth Proportional to 1,436,509, 1,982,331.36 and 783,121.48
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Solution
The fourth proportional to 1,436,509, 1,982,331.36 and 783,121.48 is: 1,080,679.81
Step by Step Solution
- Step 1: Write the proportion equation
1,436,509 : 1,982,331.36 = 783,121.48 : x - Step 2: Convert to fraction form
1,436,509/1,982,331.36 = 783,121.48/x - Step 3: Cross multiply
1,436,509x = 1,982,331.36 × 783,121.48 - Step 4: Simplify right side
1,436,509x = 1,552,406,268,493.61 - Step 5: Solve for x
x = 1,552,406,268,493.61/1,436,509 - Step 6: Final answer
x = 1,080,679.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.