Finding the Fourth Proportional to 1,228,860.04, 1,844,119.94 and 430,148.20
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Solution
The fourth proportional to 1,228,860.04, 1,844,119.94 and 430,148.20 is: 645,512.79
Step by Step Solution
- Step 1: Write the proportion equation
1,228,860.04 : 1,844,119.94 = 430,148.20 : x - Step 2: Convert to fraction form
1,228,860.04/1,844,119.94 = 430,148.20/x - Step 3: Cross multiply
1,228,860.04x = 1,844,119.94 × 430,148.20 - Step 4: Simplify right side
1,228,860.04x = 793,244,872,775.11 - Step 5: Solve for x
x = 793,244,872,775.11/1,228,860.04 - Step 6: Final answer
x = 645,512.79
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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.