Finding the Fourth Proportional to 1,226,283.18, 1,838,757.60 and 427,350.21
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Solution
The fourth proportional to 1,226,283.18, 1,838,757.60 and 427,350.21 is: 640,792.81
Step by Step Solution
- Step 1: Write the proportion equation
1,226,283.18 : 1,838,757.60 = 427,350.21 : x - Step 2: Convert to fraction form
1,226,283.18/1,838,757.60 = 427,350.21/x - Step 3: Cross multiply
1,226,283.18x = 1,838,757.60 × 427,350.21 - Step 4: Simplify right side
1,226,283.18x = 785,793,446,499.10 - Step 5: Solve for x
x = 785,793,446,499.10/1,226,283.18 - Step 6: Final answer
x = 640,792.81
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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.