Finding the Fourth Proportional to 988,060.48, 1,482,120.96 and 684,157.12
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Solution
The fourth proportional to 988,060.48, 1,482,120.96 and 684,157.12 is: 1,026,256.62
Step by Step Solution
- Step 1: Write the proportion equation
988,060.48 : 1,482,120.96 = 684,157.12 : x - Step 2: Convert to fraction form
988,060.48/1,482,120.96 = 684,157.12/x - Step 3: Cross multiply
988,060.48x = 1,482,120.96 × 684,157.12 - Step 4: Simplify right side
988,060.48x = 1,014,003,607,485.24 - Step 5: Solve for x
x = 1,014,003,607,485.24/988,060.48 - Step 6: Final answer
x = 1,026,256.62
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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.