Finding the Fourth Proportional to 1,258,691.29, 1,736,538.34 and 823,357.12
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Solution
The fourth proportional to 1,258,691.29, 1,736,538.34 and 823,357.12 is: 1,135,934.77
Step by Step Solution
- Step 1: Write the proportion equation
1,258,691.29 : 1,736,538.34 = 823,357.12 : x - Step 2: Convert to fraction form
1,258,691.29/1,736,538.34 = 823,357.12/x - Step 3: Cross multiply
1,258,691.29x = 1,736,538.34 × 823,357.12 - Step 4: Simplify right side
1,258,691.29x = 1,429,791,206,391.98 - Step 5: Solve for x
x = 1,429,791,206,391.98/1,258,691.29 - Step 6: Final answer
x = 1,135,934.77
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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.