Finding the Fourth Proportional to 1,425,472.68, 1,966,406.58 and 881,434.52
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Solution
The fourth proportional to 1,425,472.68, 1,966,406.58 and 881,434.52 is: 1,215,918.53
Step by Step Solution
- Step 1: Write the proportion equation
1,425,472.68 : 1,966,406.58 = 881,434.52 : x - Step 2: Convert to fraction form
1,425,472.68/1,966,406.58 = 881,434.52/x - Step 3: Cross multiply
1,425,472.68x = 1,966,406.58 × 881,434.52 - Step 4: Simplify right side
1,425,472.68x = 1,733,258,639,967.14 - Step 5: Solve for x
x = 1,733,258,639,967.14/1,425,472.68 - Step 6: Final answer
x = 1,215,918.53
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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.