Finding the Fourth Proportional to 1,296,815.67, 1,789,547.99 and 723,842.73
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Solution
The fourth proportional to 1,296,815.67, 1,789,547.99 and 723,842.73 is: 998,870.79
Step by Step Solution
- Step 1: Write the proportion equation
1,296,815.67 : 1,789,547.99 = 723,842.73 : x - Step 2: Convert to fraction form
1,296,815.67/1,789,547.99 = 723,842.73/x - Step 3: Cross multiply
1,296,815.67x = 1,789,547.99 × 723,842.73 - Step 4: Simplify right side
1,296,815.67x = 1,295,351,298,928.40 - Step 5: Solve for x
x = 1,295,351,298,928.40/1,296,815.67 - Step 6: Final answer
x = 998,870.79
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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.