Finding the Fourth Proportional to 1,148,076.11, 1,584,539.16 and 664,934.96
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Solution
The fourth proportional to 1,148,076.11, 1,584,539.16 and 664,934.96 is: 917,722.68
Step by Step Solution
- Step 1: Write the proportion equation
1,148,076.11 : 1,584,539.16 = 664,934.96 : x - Step 2: Convert to fraction form
1,148,076.11/1,584,539.16 = 664,934.96/x - Step 3: Cross multiply
1,148,076.11x = 1,584,539.16 × 664,934.96 - Step 4: Simplify right side
1,148,076.11x = 1,053,615,482,973.03 - Step 5: Solve for x
x = 1,053,615,482,973.03/1,148,076.11 - Step 6: Final answer
x = 917,722.68
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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.