Finding the Fourth Proportional to 1,048,758.12, 1,447,397.19 and 641,098.62
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Solution
The fourth proportional to 1,048,758.12, 1,447,397.19 and 641,098.62 is: 884,783.94
Step by Step Solution
- Step 1: Write the proportion equation
1,048,758.12 : 1,447,397.19 = 641,098.62 : x - Step 2: Convert to fraction form
1,048,758.12/1,447,397.19 = 641,098.62/x - Step 3: Cross multiply
1,048,758.12x = 1,447,397.19 × 641,098.62 - Step 4: Simplify right side
1,048,758.12x = 927,924,341,100.88 - Step 5: Solve for x
x = 927,924,341,100.88/1,048,758.12 - Step 6: Final answer
x = 884,783.94
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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.