Finding the Fourth Proportional to 1,326,502.43, 1,830,053.68 and 816,319.07
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Solution
The fourth proportional to 1,326,502.43, 1,830,053.68 and 816,319.07 is: 1,126,200.51
Step by Step Solution
- Step 1: Write the proportion equation
1,326,502.43 : 1,830,053.68 = 816,319.07 : x - Step 2: Convert to fraction form
1,326,502.43/1,830,053.68 = 816,319.07/x - Step 3: Cross multiply
1,326,502.43x = 1,830,053.68 × 816,319.07 - Step 4: Simplify right side
1,326,502.43x = 1,493,907,718,107.68 - Step 5: Solve for x
x = 1,493,907,718,107.68/1,326,502.43 - Step 6: Final answer
x = 1,126,200.51
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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.