Finding the Fourth Proportional to 1,127,542.21, 1,691,562.08 and 328,886.26
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Solution
The fourth proportional to 1,127,542.21, 1,691,562.08 and 328,886.26 is: 493,401.95
Step by Step Solution
- Step 1: Write the proportion equation
1,127,542.21 : 1,691,562.08 = 328,886.26 : x - Step 2: Convert to fraction form
1,127,542.21/1,691,562.08 = 328,886.26/x - Step 3: Cross multiply
1,127,542.21x = 1,691,562.08 × 328,886.26 - Step 4: Simplify right side
1,127,542.21x = 556,331,522,642.33 - Step 5: Solve for x
x = 556,331,522,642.33/1,127,542.21 - Step 6: Final answer
x = 493,401.95
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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.