Finding the Fourth Proportional to 1,158,927.12, 1,737,953.76 and 485,055.12
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Solution
The fourth proportional to 1,158,927.12, 1,737,953.76 and 485,055.12 is: 727,399.81
Step by Step Solution
- Step 1: Write the proportion equation
1,158,927.12 : 1,737,953.76 = 485,055.12 : x - Step 2: Convert to fraction form
1,158,927.12/1,737,953.76 = 485,055.12/x - Step 3: Cross multiply
1,158,927.12x = 1,737,953.76 × 485,055.12 - Step 4: Simplify right side
1,158,927.12x = 843,003,369,611.25 - Step 5: Solve for x
x = 843,003,369,611.25/1,158,927.12 - Step 6: Final answer
x = 727,399.81
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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.