Finding the Fourth Proportional to 1,269,194.04, 1,903,797.58 and 427,753.08
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Solution
The fourth proportional to 1,269,194.04, 1,903,797.58 and 427,753.08 is: 641,631.82
Step by Step Solution
- Step 1: Write the proportion equation
1,269,194.04 : 1,903,797.58 = 427,753.08 : x - Step 2: Convert to fraction form
1,269,194.04/1,903,797.58 = 427,753.08/x - Step 3: Cross multiply
1,269,194.04x = 1,903,797.58 × 427,753.08 - Step 4: Simplify right side
1,269,194.04x = 814,355,278,541.55 - Step 5: Solve for x
x = 814,355,278,541.55/1,269,194.04 - Step 6: Final answer
x = 641,631.82
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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.