Finding the Fourth Proportional to 1,139,512.16, 1,708,062.96 and 429,232.88
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Solution
The fourth proportional to 1,139,512.16, 1,708,062.96 and 429,232.88 is: 643,395.31
Step by Step Solution
- Step 1: Write the proportion equation
1,139,512.16 : 1,708,062.96 = 429,232.88 : x - Step 2: Convert to fraction form
1,139,512.16/1,708,062.96 = 429,232.88/x - Step 3: Cross multiply
1,139,512.16x = 1,708,062.96 × 429,232.88 - Step 4: Simplify right side
1,139,512.16x = 733,156,783,542.13 - Step 5: Solve for x
x = 733,156,783,542.13/1,139,512.16 - Step 6: Final answer
x = 643,395.31
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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.