Finding the Fourth Proportional to 1,209,078.96, 1,813,839.84 and 498,719.48
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Solution
The fourth proportional to 1,209,078.96, 1,813,839.84 and 498,719.48 is: 748,170.54
Step by Step Solution
- Step 1: Write the proportion equation
1,209,078.96 : 1,813,839.84 = 498,719.48 : x - Step 2: Convert to fraction form
1,209,078.96/1,813,839.84 = 498,719.48/x - Step 3: Cross multiply
1,209,078.96x = 1,813,839.84 × 498,719.48 - Step 4: Simplify right side
1,209,078.96x = 904,597,261,808.08 - Step 5: Solve for x
x = 904,597,261,808.08/1,209,078.96 - Step 6: Final answer
x = 748,170.54
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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.