Finding the Fourth Proportional to 1,436,465.40, 1,982,328.26 and 791,871.44
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Solution
The fourth proportional to 1,436,465.40, 1,982,328.26 and 791,871.44 is: 1,092,785.90
Step by Step Solution
- Step 1: Write the proportion equation
1,436,465.40 : 1,982,328.26 = 791,871.44 : x - Step 2: Convert to fraction form
1,436,465.40/1,982,328.26 = 791,871.44/x - Step 3: Cross multiply
1,436,465.40x = 1,982,328.26 × 791,871.44 - Step 4: Simplify right side
1,436,465.40x = 1,569,749,133,798.89 - Step 5: Solve for x
x = 1,569,749,133,798.89/1,436,465.40 - Step 6: Final answer
x = 1,092,785.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.