Finding the Fourth Proportional to 1,134,893.80, 1,702,340.70 and 575,021.80
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Solution
The fourth proportional to 1,134,893.80, 1,702,340.70 and 575,021.80 is: 862,532.70
Step by Step Solution
- Step 1: Write the proportion equation
1,134,893.80 : 1,702,340.70 = 575,021.80 : x - Step 2: Convert to fraction form
1,134,893.80/1,702,340.70 = 575,021.80/x - Step 3: Cross multiply
1,134,893.80x = 1,702,340.70 × 575,021.80 - Step 4: Simplify right side
1,134,893.80x = 978,883,013,527.26 - Step 5: Solve for x
x = 978,883,013,527.26/1,134,893.80 - Step 6: Final answer
x = 862,532.70
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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.