Finding the Fourth Proportional to 1,140,630.24, 1,574,050.68 and 631,321.68
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Solution
The fourth proportional to 1,140,630.24, 1,574,050.68 and 631,321.68 is: 871,213.37
Step by Step Solution
- Step 1: Write the proportion equation
1,140,630.24 : 1,574,050.68 = 631,321.68 : x - Step 2: Convert to fraction form
1,140,630.24/1,574,050.68 = 631,321.68/x - Step 3: Cross multiply
1,140,630.24x = 1,574,050.68 × 631,321.68 - Step 4: Simplify right side
1,140,630.24x = 993,732,319,702.74 - Step 5: Solve for x
x = 993,732,319,702.74/1,140,630.24 - Step 6: Final answer
x = 871,213.37
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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.