Finding the Fourth Proportional to 1,390,344.24, 2,086,304.64 and 750,639.44
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Solution
The fourth proportional to 1,390,344.24, 2,086,304.64 and 750,639.44 is: 1,126,384.75
Step by Step Solution
- Step 1: Write the proportion equation
1,390,344.24 : 2,086,304.64 = 750,639.44 : x - Step 2: Convert to fraction form
1,390,344.24/2,086,304.64 = 750,639.44/x - Step 3: Cross multiply
1,390,344.24x = 2,086,304.64 × 750,639.44 - Step 4: Simplify right side
1,390,344.24x = 1,566,062,546,639.00 - Step 5: Solve for x
x = 1,566,062,546,639.00/1,390,344.24 - Step 6: Final answer
x = 1,126,384.75
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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.