Finding the Fourth Proportional to 1,119,212.64, 1,543,840.56 and 683,431.02
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Solution
The fourth proportional to 1,119,212.64, 1,543,840.56 and 683,431.02 is: 942,723.92
Step by Step Solution
- Step 1: Write the proportion equation
1,119,212.64 : 1,543,840.56 = 683,431.02 : x - Step 2: Convert to fraction form
1,119,212.64/1,543,840.56 = 683,431.02/x - Step 3: Cross multiply
1,119,212.64x = 1,543,840.56 × 683,431.02 - Step 4: Simplify right side
1,119,212.64x = 1,055,108,528,638.17 - Step 5: Solve for x
x = 1,055,108,528,638.17/1,119,212.64 - Step 6: Final answer
x = 942,723.92
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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.