Finding the Fourth Proportional to 1,147,038.42, 1,720,560.36 and 348,325.97
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Solution
The fourth proportional to 1,147,038.42, 1,720,560.36 and 348,325.97 is: 522,489.79
Step by Step Solution
- Step 1: Write the proportion equation
1,147,038.42 : 1,720,560.36 = 348,325.97 : x - Step 2: Convert to fraction form
1,147,038.42/1,720,560.36 = 348,325.97/x - Step 3: Cross multiply
1,147,038.42x = 1,720,560.36 × 348,325.97 - Step 4: Simplify right side
1,147,038.42x = 599,315,857,742.46 - Step 5: Solve for x
x = 599,315,857,742.46/1,147,038.42 - Step 6: Final answer
x = 522,489.79
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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.