Finding the Fourth Proportional to 1,078,743.26, 1,488,701.42 and 588,739.58
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Solution
The fourth proportional to 1,078,743.26, 1,488,701.42 and 588,739.58 is: 812,480.12
Step by Step Solution
- Step 1: Write the proportion equation
1,078,743.26 : 1,488,701.42 = 588,739.58 : x - Step 2: Convert to fraction form
1,078,743.26/1,488,701.42 = 588,739.58/x - Step 3: Cross multiply
1,078,743.26x = 1,488,701.42 × 588,739.58 - Step 4: Simplify right side
1,078,743.26x = 876,457,448,756.20 - Step 5: Solve for x
x = 876,457,448,756.20/1,078,743.26 - Step 6: Final answer
x = 812,480.12
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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.