Finding the Fourth Proportional to 1,158,776.42, 1,599,114.90 and 642,566.68
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Solution
The fourth proportional to 1,158,776.42, 1,599,114.90 and 642,566.68 is: 886,743.92
Step by Step Solution
- Step 1: Write the proportion equation
1,158,776.42 : 1,599,114.90 = 642,566.68 : x - Step 2: Convert to fraction form
1,158,776.42/1,599,114.90 = 642,566.68/x - Step 3: Cross multiply
1,158,776.42x = 1,599,114.90 × 642,566.68 - Step 4: Simplify right side
1,158,776.42x = 1,027,537,941,023.12 - Step 5: Solve for x
x = 1,027,537,941,023.12/1,158,776.42 - Step 6: Final answer
x = 886,743.92
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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.