Finding the Fourth Proportional to 1,257,697.83, 1,883,797.21 and 972,638.79
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Solution
The fourth proportional to 1,257,697.83, 1,883,797.21 and 972,638.79 is: 1,456,831.82
Step by Step Solution
- Step 1: Write the proportion equation
1,257,697.83 : 1,883,797.21 = 972,638.79 : x - Step 2: Convert to fraction form
1,257,697.83/1,883,797.21 = 972,638.79/x - Step 3: Cross multiply
1,257,697.83x = 1,883,797.21 × 972,638.79 - Step 4: Simplify right side
1,257,697.83x = 1,832,254,227,620.24 - Step 5: Solve for x
x = 1,832,254,227,620.24/1,257,697.83 - Step 6: Final answer
x = 1,456,831.82
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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.