Finding the Fourth Proportional to 1,268,993.99, 1,903,989.44 and 558,523.96
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Solution
The fourth proportional to 1,268,993.99, 1,903,989.44 and 558,523.96 is: 838,005.32
Step by Step Solution
- Step 1: Write the proportion equation
1,268,993.99 : 1,903,989.44 = 558,523.96 : x - Step 2: Convert to fraction form
1,268,993.99/1,903,989.44 = 558,523.96/x - Step 3: Cross multiply
1,268,993.99x = 1,903,989.44 × 558,523.96 - Step 4: Simplify right side
1,268,993.99x = 1,063,423,718,463.32 - Step 5: Solve for x
x = 1,063,423,718,463.32/1,268,993.99 - Step 6: Final answer
x = 838,005.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.