Finding the Fourth Proportional to 1,104,125.28, 1,656,253.62 and 430,081.44
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Solution
The fourth proportional to 1,104,125.28, 1,656,253.62 and 430,081.44 is: 645,147.75
Step by Step Solution
- Step 1: Write the proportion equation
1,104,125.28 : 1,656,253.62 = 430,081.44 : x - Step 2: Convert to fraction form
1,104,125.28/1,656,253.62 = 430,081.44/x - Step 3: Cross multiply
1,104,125.28x = 1,656,253.62 × 430,081.44 - Step 4: Simplify right side
1,104,125.28x = 712,323,941,894.81 - Step 5: Solve for x
x = 712,323,941,894.81/1,104,125.28 - Step 6: Final answer
x = 645,147.75
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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.