Finding the Fourth Proportional to 1,354,440.54, 1,869,146.14 and 742,591.82
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Solution
The fourth proportional to 1,354,440.54, 1,869,146.14 and 742,591.82 is: 1,024,786.69
Step by Step Solution
- Step 1: Write the proportion equation
1,354,440.54 : 1,869,146.14 = 742,591.82 : x - Step 2: Convert to fraction form
1,354,440.54/1,869,146.14 = 742,591.82/x - Step 3: Cross multiply
1,354,440.54x = 1,869,146.14 × 742,591.82 - Step 4: Simplify right side
1,354,440.54x = 1,388,012,633,948.57 - Step 5: Solve for x
x = 1,388,012,633,948.57/1,354,440.54 - Step 6: Final answer
x = 1,024,786.69
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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.