Finding the Fourth Proportional to 1,128,622.48, 1,692,900.91 and 329,922.79
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Solution
The fourth proportional to 1,128,622.48, 1,692,900.91 and 329,922.79 is: 494,874.59
Step by Step Solution
- Step 1: Write the proportion equation
1,128,622.48 : 1,692,900.91 = 329,922.79 : x - Step 2: Convert to fraction form
1,128,622.48/1,692,900.91 = 329,922.79/x - Step 3: Cross multiply
1,128,622.48x = 1,692,900.91 × 329,922.79 - Step 4: Simplify right side
1,128,622.48x = 558,526,587,600.89 - Step 5: Solve for x
x = 558,526,587,600.89/1,128,622.48 - Step 6: Final answer
x = 494,874.59
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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.