Finding the Fourth Proportional to 1,398,141.24, 1,928,827.80 and 888,570.24
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Solution
The fourth proportional to 1,398,141.24, 1,928,827.80 and 888,570.24 is: 1,225,841.09
Step by Step Solution
- Step 1: Write the proportion equation
1,398,141.24 : 1,928,827.80 = 888,570.24 : x - Step 2: Convert to fraction form
1,398,141.24/1,928,827.80 = 888,570.24/x - Step 3: Cross multiply
1,398,141.24x = 1,928,827.80 × 888,570.24 - Step 4: Simplify right side
1,398,141.24x = 1,713,898,981,164.67 - Step 5: Solve for x
x = 1,713,898,981,164.67/1,398,141.24 - Step 6: Final answer
x = 1,225,841.09
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1.5x scale
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.