Finding the Fourth Proportional to 1,048,739.36, 1,447,371.30 and 641,079.81
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Solution
The fourth proportional to 1,048,739.36, 1,447,371.30 and 641,079.81 is: 884,757.98
Step by Step Solution
- Step 1: Write the proportion equation
1,048,739.36 : 1,447,371.30 = 641,079.81 : x - Step 2: Convert to fraction form
1,048,739.36/1,447,371.30 = 641,079.81/x - Step 3: Cross multiply
1,048,739.36x = 1,447,371.30 × 641,079.81 - Step 4: Simplify right side
1,048,739.36x = 927,880,518,003.45 - Step 5: Solve for x
x = 927,880,518,003.45/1,048,739.36 - Step 6: Final answer
x = 884,757.98
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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.