Finding the Fourth Proportional to 1,358,240.82, 1,873,963.57 and 814,178.09
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Solution
The fourth proportional to 1,358,240.82, 1,873,963.57 and 814,178.09 is: 1,123,320.74
Step by Step Solution
- Step 1: Write the proportion equation
1,358,240.82 : 1,873,963.57 = 814,178.09 : x - Step 2: Convert to fraction form
1,358,240.82/1,873,963.57 = 814,178.09/x - Step 3: Cross multiply
1,358,240.82x = 1,873,963.57 × 814,178.09 - Step 4: Simplify right side
1,358,240.82x = 1,525,740,080,152.18 - Step 5: Solve for x
x = 1,525,740,080,152.18/1,358,240.82 - Step 6: Final answer
x = 1,123,320.74
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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.