Finding the Fourth Proportional to 1,379,336.88, 2,069,267.76 and 432,453.36
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Solution
The fourth proportional to 1,379,336.88, 2,069,267.76 and 432,453.36 is: 648,762.32
Step by Step Solution
- Step 1: Write the proportion equation
1,379,336.88 : 2,069,267.76 = 432,453.36 : x - Step 2: Convert to fraction form
1,379,336.88/2,069,267.76 = 432,453.36/x - Step 3: Cross multiply
1,379,336.88x = 2,069,267.76 × 432,453.36 - Step 4: Simplify right side
1,379,336.88x = 894,861,795,551.67 - Step 5: Solve for x
x = 894,861,795,551.67/1,379,336.88 - Step 6: Final answer
x = 648,762.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.