Finding the Fourth Proportional to 1,122,735.55, 1,684,243.34 and 439,534.09
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Solution
The fourth proportional to 1,122,735.55, 1,684,243.34 and 439,534.09 is: 659,355.94
Step by Step Solution
- Step 1: Write the proportion equation
1,122,735.55 : 1,684,243.34 = 439,534.09 : x - Step 2: Convert to fraction form
1,122,735.55/1,684,243.34 = 439,534.09/x - Step 3: Cross multiply
1,122,735.55x = 1,684,243.34 × 439,534.09 - Step 4: Simplify right side
1,122,735.55x = 740,282,353,166.57 - Step 5: Solve for x
x = 740,282,353,166.57/1,122,735.55 - Step 6: Final answer
x = 659,355.94
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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.