Finding the Fourth Proportional to 1,130,214.26, 1,559,668.62 and 646,748.52
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Solution
The fourth proportional to 1,130,214.26, 1,559,668.62 and 646,748.52 is: 892,497.48
Step by Step Solution
- Step 1: Write the proportion equation
1,130,214.26 : 1,559,668.62 = 646,748.52 : x - Step 2: Convert to fraction form
1,130,214.26/1,559,668.62 = 646,748.52/x - Step 3: Cross multiply
1,130,214.26x = 1,559,668.62 × 646,748.52 - Step 4: Simplify right side
1,130,214.26x = 1,008,713,377,773.70 - Step 5: Solve for x
x = 1,008,713,377,773.70/1,130,214.26 - Step 6: Final answer
x = 892,497.48
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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.