Finding the Fourth Proportional to 1,408,785.26, 2,112,259.14 and 927,556.56
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Solution
The fourth proportional to 1,408,785.26, 2,112,259.14 and 927,556.56 is: 1,390,729.93
Step by Step Solution
- Step 1: Write the proportion equation
1,408,785.26 : 2,112,259.14 = 927,556.56 : x - Step 2: Convert to fraction form
1,408,785.26/2,112,259.14 = 927,556.56/x - Step 3: Cross multiply
1,408,785.26x = 2,112,259.14 × 927,556.56 - Step 4: Simplify right side
1,408,785.26x = 1,959,239,821,726.96 - Step 5: Solve for x
x = 1,959,239,821,726.96/1,408,785.26 - Step 6: Final answer
x = 1,390,729.93
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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.