Finding the Fourth Proportional to 1,326,231.36, 1,989,735.23 and 427,655.03
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Solution
The fourth proportional to 1,326,231.36, 1,989,735.23 and 427,655.03 is: 641,607.71
Step by Step Solution
- Step 1: Write the proportion equation
1,326,231.36 : 1,989,735.23 = 427,655.03 : x - Step 2: Convert to fraction form
1,326,231.36/1,989,735.23 = 427,655.03/x - Step 3: Cross multiply
1,326,231.36x = 1,989,735.23 × 427,655.03 - Step 4: Simplify right side
1,326,231.36x = 850,920,267,390.76 - Step 5: Solve for x
x = 850,920,267,390.76/1,326,231.36 - Step 6: Final answer
x = 641,607.71
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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.