Finding the Fourth Proportional to 1,585,640.96, 2,378,824.80 and 687,233.60
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Solution
The fourth proportional to 1,585,640.96, 2,378,824.80 and 687,233.60 is: 1,031,007.88
Step by Step Solution
- Step 1: Write the proportion equation
1,585,640.96 : 2,378,824.80 = 687,233.60 : x - Step 2: Convert to fraction form
1,585,640.96/2,378,824.80 = 687,233.60/x - Step 3: Cross multiply
1,585,640.96x = 2,378,824.80 × 687,233.60 - Step 4: Simplify right side
1,585,640.96x = 1,634,808,331,073.28 - Step 5: Solve for x
x = 1,634,808,331,073.28/1,585,640.96 - Step 6: Final answer
x = 1,031,007.88
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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.