Finding the Fourth Proportional to 1,051,128.92, 1,576,430.94 and 341,360.12
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Solution
The fourth proportional to 1,051,128.92, 1,576,430.94 and 341,360.12 is: 511,954.95
Step by Step Solution
- Step 1: Write the proportion equation
1,051,128.92 : 1,576,430.94 = 341,360.12 : x - Step 2: Convert to fraction form
1,051,128.92/1,576,430.94 = 341,360.12/x - Step 3: Cross multiply
1,051,128.92x = 1,576,430.94 × 341,360.12 - Step 4: Simplify right side
1,051,128.92x = 538,130,654,850.11 - Step 5: Solve for x
x = 538,130,654,850.11/1,051,128.92 - Step 6: Final answer
x = 511,954.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.