Finding the Fourth Proportional to 1,308,364.98, 1,805,279.00 and 764,395.68
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Solution
The fourth proportional to 1,308,364.98, 1,805,279.00 and 764,395.68 is: 1,054,711.40
Step by Step Solution
- Step 1: Write the proportion equation
1,308,364.98 : 1,805,279.00 = 764,395.68 : x - Step 2: Convert to fraction form
1,308,364.98/1,805,279.00 = 764,395.68/x - Step 3: Cross multiply
1,308,364.98x = 1,805,279.00 × 764,395.68 - Step 4: Simplify right side
1,308,364.98x = 1,379,947,464,972.74 - Step 5: Solve for x
x = 1,379,947,464,972.74/1,308,364.98 - Step 6: Final answer
x = 1,054,711.40
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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.