Finding the Fourth Proportional to 1,362,491.89, 1,880,240.55 and 742,293.99
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Solution
The fourth proportional to 1,362,491.89, 1,880,240.55 and 742,293.99 is: 1,024,366.65
Step by Step Solution
- Step 1: Write the proportion equation
1,362,491.89 : 1,880,240.55 = 742,293.99 : x - Step 2: Convert to fraction form
1,362,491.89/1,880,240.55 = 742,293.99/x - Step 3: Cross multiply
1,362,491.89x = 1,880,240.55 × 742,293.99 - Step 4: Simplify right side
1,362,491.89x = 1,395,691,257,235.69 - Step 5: Solve for x
x = 1,395,691,257,235.69/1,362,491.89 - Step 6: Final answer
x = 1,024,366.65
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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.