Finding the Fourth Proportional to 1,276,920.79, 1,762,164.33 and 703,981.47
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Solution
The fourth proportional to 1,276,920.79, 1,762,164.33 and 703,981.47 is: 971,501.95
Step by Step Solution
- Step 1: Write the proportion equation
1,276,920.79 : 1,762,164.33 = 703,981.47 : x - Step 2: Convert to fraction form
1,276,920.79/1,762,164.33 = 703,981.47/x - Step 3: Cross multiply
1,276,920.79x = 1,762,164.33 × 703,981.47 - Step 4: Simplify right side
1,276,920.79x = 1,240,531,035,414.97 - Step 5: Solve for x
x = 1,240,531,035,414.97/1,276,920.79 - Step 6: Final answer
x = 971,501.95
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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.