Finding the Fourth Proportional to 1,322,774.43, 1,825,448.12 and 742,125.93
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Solution
The fourth proportional to 1,322,774.43, 1,825,448.12 and 742,125.93 is: 1,024,144.67
Step by Step Solution
- Step 1: Write the proportion equation
1,322,774.43 : 1,825,448.12 = 742,125.93 : x - Step 2: Convert to fraction form
1,322,774.43/1,825,448.12 = 742,125.93/x - Step 3: Cross multiply
1,322,774.43x = 1,825,448.12 × 742,125.93 - Step 4: Simplify right side
1,322,774.43x = 1,354,712,383,721.75 - Step 5: Solve for x
x = 1,354,712,383,721.75/1,322,774.43 - Step 6: Final answer
x = 1,024,144.67
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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.