Finding the Fourth Proportional to 1,141,257.32, 1,574,934.12 and 631,959.68
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Solution
The fourth proportional to 1,141,257.32, 1,574,934.12 and 631,959.68 is: 872,103.81
Step by Step Solution
- Step 1: Write the proportion equation
1,141,257.32 : 1,574,934.12 = 631,959.68 : x - Step 2: Convert to fraction form
1,141,257.32/1,574,934.12 = 631,959.68/x - Step 3: Cross multiply
1,141,257.32x = 1,574,934.12 × 631,959.68 - Step 4: Simplify right side
1,141,257.32x = 995,294,862,496.28 - Step 5: Solve for x
x = 995,294,862,496.28/1,141,257.32 - Step 6: Final answer
x = 872,103.81
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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.