Finding the Fourth Proportional to 1,247,728.68, 1,871,924.60 and 394,815.48
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Solution
The fourth proportional to 1,247,728.68, 1,871,924.60 and 394,815.48 is: 592,328.14
Step by Step Solution
- Step 1: Write the proportion equation
1,247,728.68 : 1,871,924.60 = 394,815.48 : x - Step 2: Convert to fraction form
1,247,728.68/1,871,924.60 = 394,815.48/x - Step 3: Cross multiply
1,247,728.68x = 1,871,924.60 × 394,815.48 - Step 4: Simplify right side
1,247,728.68x = 739,064,809,472.81 - Step 5: Solve for x
x = 739,064,809,472.81/1,247,728.68 - Step 6: Final answer
x = 592,328.14
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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.