Finding the Fourth Proportional to 1,048,823.13, 1,447,487.04 and 641,163.63
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Solution
The fourth proportional to 1,048,823.13, 1,447,487.04 and 641,163.63 is: 884,873.74
Step by Step Solution
- Step 1: Write the proportion equation
1,048,823.13 : 1,447,487.04 = 641,163.63 : x - Step 2: Convert to fraction form
1,048,823.13/1,447,487.04 = 641,163.63/x - Step 3: Cross multiply
1,048,823.13x = 1,447,487.04 × 641,163.63 - Step 4: Simplify right side
1,048,823.13x = 928,076,044,944.36 - Step 5: Solve for x
x = 928,076,044,944.36/1,048,823.13 - Step 6: Final answer
x = 884,873.74
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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.