Finding the Fourth Proportional to 1,284,260.86, 1,772,214.96 and 703,476.28
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Solution
The fourth proportional to 1,284,260.86, 1,772,214.96 and 703,476.28 is: 970,761.65
Step by Step Solution
- Step 1: Write the proportion equation
1,284,260.86 : 1,772,214.96 = 703,476.28 : x - Step 2: Convert to fraction form
1,284,260.86/1,772,214.96 = 703,476.28/x - Step 3: Cross multiply
1,284,260.86x = 1,772,214.96 × 703,476.28 - Step 4: Simplify right side
1,284,260.86x = 1,246,711,187,421.15 - Step 5: Solve for x
x = 1,246,711,187,421.15/1,284,260.86 - Step 6: Final answer
x = 970,761.65
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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.