Finding the Fourth Proportional to 1,313,733.52, 1,813,077.84 and 823,781.08
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Solution
The fourth proportional to 1,313,733.52, 1,813,077.84 and 823,781.08 is: 1,136,896.64
Step by Step Solution
- Step 1: Write the proportion equation
1,313,733.52 : 1,813,077.84 = 823,781.08 : x - Step 2: Convert to fraction form
1,313,733.52/1,813,077.84 = 823,781.08/x - Step 3: Cross multiply
1,313,733.52x = 1,813,077.84 × 823,781.08 - Step 4: Simplify right side
1,313,733.52x = 1,493,579,221,159.27 - Step 5: Solve for x
x = 1,493,579,221,159.27/1,313,733.52 - Step 6: Final answer
x = 1,136,896.64
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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.