Finding the Fourth Proportional to 1,140,576.24, 1,573,976.16 and 631,267.68
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Solution
The fourth proportional to 1,140,576.24, 1,573,976.16 and 631,267.68 is: 871,138.85
Step by Step Solution
- Step 1: Write the proportion equation
1,140,576.24 : 1,573,976.16 = 631,267.68 : x - Step 2: Convert to fraction form
1,140,576.24/1,573,976.16 = 631,267.68/x - Step 3: Cross multiply
1,140,576.24x = 1,573,976.16 × 631,267.68 - Step 4: Simplify right side
1,140,576.24x = 993,600,278,898.51 - Step 5: Solve for x
x = 993,600,278,898.51/1,140,576.24 - Step 6: Final answer
x = 871,138.85
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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.