Finding the Fourth Proportional to 1,230,374.16, 1,844,433.72 and 431,220.08
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Solution
The fourth proportional to 1,230,374.16, 1,844,433.72 and 431,220.08 is: 646,434.95
Step by Step Solution
- Step 1: Write the proportion equation
1,230,374.16 : 1,844,433.72 = 431,220.08 : x - Step 2: Convert to fraction form
1,230,374.16/1,844,433.72 = 431,220.08/x - Step 3: Cross multiply
1,230,374.16x = 1,844,433.72 × 431,220.08 - Step 4: Simplify right side
1,230,374.16x = 795,356,856,293.10 - Step 5: Solve for x
x = 795,356,856,293.10/1,230,374.16 - Step 6: Final answer
x = 646,434.95
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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.