Finding the Fourth Proportional to 1,276,853.46, 1,762,063.11 and 703,881.06
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Solution
The fourth proportional to 1,276,853.46, 1,762,063.11 and 703,881.06 is: 971,358.80
Step by Step Solution
- Step 1: Write the proportion equation
1,276,853.46 : 1,762,063.11 = 703,881.06 : x - Step 2: Convert to fraction form
1,276,853.46/1,762,063.11 = 703,881.06/x - Step 3: Cross multiply
1,276,853.46x = 1,762,063.11 × 703,881.06 - Step 4: Simplify right side
1,276,853.46x = 1,240,282,849,653.70 - Step 5: Solve for x
x = 1,240,282,849,653.70/1,276,853.46 - Step 6: Final answer
x = 971,358.80
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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.