Finding the Fourth Proportional to 1,190,471.91, 1,785,775.28 and 380,927.49
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Solution
The fourth proportional to 1,190,471.91, 1,785,775.28 and 380,927.49 is: 571,412.80
Step by Step Solution
- Step 1: Write the proportion equation
1,190,471.91 : 1,785,775.28 = 380,927.49 : x - Step 2: Convert to fraction form
1,190,471.91/1,785,775.28 = 380,927.49/x - Step 3: Cross multiply
1,190,471.91x = 1,785,775.28 × 380,927.49 - Step 4: Simplify right side
1,190,471.91x = 680,250,893,209.81 - Step 5: Solve for x
x = 680,250,893,209.81/1,190,471.91 - Step 6: Final answer
x = 571,412.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.