Finding the Fourth Proportional to 1,235,869.60, 1,851,471.60 and 634,784.80
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Solution
The fourth proportional to 1,235,869.60, 1,851,471.60 and 634,784.80 is: 950,978.99
Step by Step Solution
- Step 1: Write the proportion equation
1,235,869.60 : 1,851,471.60 = 634,784.80 : x - Step 2: Convert to fraction form
1,235,869.60/1,851,471.60 = 634,784.80/x - Step 3: Cross multiply
1,235,869.60x = 1,851,471.60 × 634,784.80 - Step 4: Simplify right side
1,235,869.60x = 1,175,286,029,311.68 - Step 5: Solve for x
x = 1,175,286,029,311.68/1,235,869.60 - Step 6: Final answer
x = 950,978.99
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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.