Finding the Fourth Proportional to 1,258,691.79, 1,736,539.04 and 823,357.62
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Solution
The fourth proportional to 1,258,691.79, 1,736,539.04 and 823,357.62 is: 1,135,935.47
Step by Step Solution
- Step 1: Write the proportion equation
1,258,691.79 : 1,736,539.04 = 823,357.62 : x - Step 2: Convert to fraction form
1,258,691.79/1,736,539.04 = 823,357.62/x - Step 3: Cross multiply
1,258,691.79x = 1,736,539.04 × 823,357.62 - Step 4: Simplify right side
1,258,691.79x = 1,429,792,646,894.70 - Step 5: Solve for x
x = 1,429,792,646,894.70/1,258,691.79 - Step 6: Final answer
x = 1,135,935.47
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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.