Finding the Fourth Proportional to 1,239,638.68, 1,858,812.85 and 440,804.12
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Solution
The fourth proportional to 1,239,638.68, 1,858,812.85 and 440,804.12 is: 660,976.77
Step by Step Solution
- Step 1: Write the proportion equation
1,239,638.68 : 1,858,812.85 = 440,804.12 : x - Step 2: Convert to fraction form
1,239,638.68/1,858,812.85 = 440,804.12/x - Step 3: Cross multiply
1,239,638.68x = 1,858,812.85 × 440,804.12 - Step 4: Simplify right side
1,239,638.68x = 819,372,361,822.18 - Step 5: Solve for x
x = 819,372,361,822.18/1,239,638.68 - Step 6: Final answer
x = 660,976.77
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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.