Finding the Fourth Proportional to 1,148,304.14, 1,584,636.24 and 718,821.08
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Solution
The fourth proportional to 1,148,304.14, 1,584,636.24 and 718,821.08 is: 991,958.40
Step by Step Solution
- Step 1: Write the proportion equation
1,148,304.14 : 1,584,636.24 = 718,821.08 : x - Step 2: Convert to fraction form
1,148,304.14/1,584,636.24 = 718,821.08/x - Step 3: Cross multiply
1,148,304.14x = 1,584,636.24 × 718,821.08 - Step 4: Simplify right side
1,148,304.14x = 1,139,069,933,443.94 - Step 5: Solve for x
x = 1,139,069,933,443.94/1,148,304.14 - Step 6: Final answer
x = 991,958.40
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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.