Finding the Fourth Proportional to 1,425,109.14, 1,966,612.97 and 813,250.94
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Solution
The fourth proportional to 1,425,109.14, 1,966,612.97 and 813,250.94 is: 1,122,264.81
Step by Step Solution
- Step 1: Write the proportion equation
1,425,109.14 : 1,966,612.97 = 813,250.94 : x - Step 2: Convert to fraction form
1,425,109.14/1,966,612.97 = 813,250.94/x - Step 3: Cross multiply
1,425,109.14x = 1,966,612.97 × 813,250.94 - Step 4: Simplify right side
1,425,109.14x = 1,599,349,838,668.75 - Step 5: Solve for x
x = 1,599,349,838,668.75/1,425,109.14 - Step 6: Final answer
x = 1,122,264.81
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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.