Finding the Fourth Proportional to 1,193,139.75, 1,646,533.14 and 656,595.75
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Solution
The fourth proportional to 1,193,139.75, 1,646,533.14 and 656,595.75 is: 906,102.29
Step by Step Solution
- Step 1: Write the proportion equation
1,193,139.75 : 1,646,533.14 = 656,595.75 : x - Step 2: Convert to fraction form
1,193,139.75/1,646,533.14 = 656,595.75/x - Step 3: Cross multiply
1,193,139.75x = 1,646,533.14 × 656,595.75 - Step 4: Simplify right side
1,193,139.75x = 1,081,106,661,958.15 - Step 5: Solve for x
x = 1,081,106,661,958.15/1,193,139.75 - Step 6: Final answer
x = 906,102.29
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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.