Finding the Fourth Proportional to 1,070,182.68, 1,476,898.66 and 640,380.44
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Solution
The fourth proportional to 1,070,182.68, 1,476,898.66 and 640,380.44 is: 883,752.87
Step by Step Solution
- Step 1: Write the proportion equation
1,070,182.68 : 1,476,898.66 = 640,380.44 : x - Step 2: Convert to fraction form
1,070,182.68/1,476,898.66 = 640,380.44/x - Step 3: Cross multiply
1,070,182.68x = 1,476,898.66 × 640,380.44 - Step 4: Simplify right side
1,070,182.68x = 945,777,013,726.21 - Step 5: Solve for x
x = 945,777,013,726.21/1,070,182.68 - Step 6: Final answer
x = 883,752.87
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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.