Finding the Fourth Proportional to 1,425,236.94, 1,966,802.62 and 771,857.66
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Solution
The fourth proportional to 1,425,236.94, 1,966,802.62 and 771,857.66 is: 1,065,150.38
Step by Step Solution
- Step 1: Write the proportion equation
1,425,236.94 : 1,966,802.62 = 771,857.66 : x - Step 2: Convert to fraction form
1,425,236.94/1,966,802.62 = 771,857.66/x - Step 3: Cross multiply
1,425,236.94x = 1,966,802.62 × 771,857.66 - Step 4: Simplify right side
1,425,236.94x = 1,518,091,667,955.07 - Step 5: Solve for x
x = 1,518,091,667,955.07/1,425,236.94 - Step 6: Final answer
x = 1,065,150.38
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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.