Finding the Fourth Proportional to 1,200,848.37, 1,656,899.46 and 717,318.87
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Solution
The fourth proportional to 1,200,848.37, 1,656,899.46 and 717,318.87 is: 989,737.99
Step by Step Solution
- Step 1: Write the proportion equation
1,200,848.37 : 1,656,899.46 = 717,318.87 : x - Step 2: Convert to fraction form
1,200,848.37/1,656,899.46 = 717,318.87/x - Step 3: Cross multiply
1,200,848.37x = 1,656,899.46 × 717,318.87 - Step 4: Simplify right side
1,200,848.37x = 1,188,525,248,350.81 - Step 5: Solve for x
x = 1,188,525,248,350.81/1,200,848.37 - Step 6: Final answer
x = 989,737.99
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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.