Finding the Fourth Proportional to 1,358,288.64, 1,874,449.44 and 849,286.08
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Solution
The fourth proportional to 1,358,288.64, 1,874,449.44 and 849,286.08 is: 1,172,021.74
Step by Step Solution
- Step 1: Write the proportion equation
1,358,288.64 : 1,874,449.44 = 849,286.08 : x - Step 2: Convert to fraction form
1,358,288.64/1,874,449.44 = 849,286.08/x - Step 3: Cross multiply
1,358,288.64x = 1,874,449.44 × 849,286.08 - Step 4: Simplify right side
1,358,288.64x = 1,591,943,817,055.80 - Step 5: Solve for x
x = 1,591,943,817,055.80/1,358,288.64 - Step 6: Final answer
x = 1,172,021.74
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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.