Finding the Fourth Proportional to 1,284,259.86, 1,772,213.58 and 703,475.28
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Solution
The fourth proportional to 1,284,259.86, 1,772,213.58 and 703,475.28 is: 970,760.27
Step by Step Solution
- Step 1: Write the proportion equation
1,284,259.86 : 1,772,213.58 = 703,475.28 : x - Step 2: Convert to fraction form
1,284,259.86/1,772,213.58 = 703,475.28/x - Step 3: Cross multiply
1,284,259.86x = 1,772,213.58 × 703,475.28 - Step 4: Simplify right side
1,284,259.86x = 1,246,708,444,410.30 - Step 5: Solve for x
x = 1,246,708,444,410.30/1,284,259.86 - Step 6: Final answer
x = 970,760.27
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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.