Finding the Fourth Proportional to 1,423,971.16, 1,965,072.99 and 770,596.67
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Solution
The fourth proportional to 1,423,971.16, 1,965,072.99 and 770,596.67 is: 1,063,419.51
Step by Step Solution
- Step 1: Write the proportion equation
1,423,971.16 : 1,965,072.99 = 770,596.67 : x - Step 2: Convert to fraction form
1,423,971.16/1,965,072.99 = 770,596.67/x - Step 3: Cross multiply
1,423,971.16x = 1,965,072.99 × 770,596.67 - Step 4: Simplify right side
1,423,971.16x = 1,514,278,710,203.36 - Step 5: Solve for x
x = 1,514,278,710,203.36/1,423,971.16 - Step 6: Final answer
x = 1,063,419.51
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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.