Finding the Fourth Proportional to 1,279,652.63, 1,919,837.65 and 560,057.05
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Solution
The fourth proportional to 1,279,652.63, 1,919,837.65 and 560,057.05 is: 840,242.57
Step by Step Solution
- Step 1: Write the proportion equation
1,279,652.63 : 1,919,837.65 = 560,057.05 : x - Step 2: Convert to fraction form
1,279,652.63/1,919,837.65 = 560,057.05/x - Step 3: Cross multiply
1,279,652.63x = 1,919,837.65 × 560,057.05 - Step 4: Simplify right side
1,279,652.63x = 1,075,218,610,737.93 - Step 5: Solve for x
x = 1,075,218,610,737.93/1,279,652.63 - Step 6: Final answer
x = 840,242.57
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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.