Finding the Fourth Proportional to 1,132,390.22, 1,698,060.44 and 422,227.58
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Solution
The fourth proportional to 1,132,390.22, 1,698,060.44 and 422,227.58 is: 633,145.65
Step by Step Solution
- Step 1: Write the proportion equation
1,132,390.22 : 1,698,060.44 = 422,227.58 : x - Step 2: Convert to fraction form
1,132,390.22/1,698,060.44 = 422,227.58/x - Step 3: Cross multiply
1,132,390.22x = 1,698,060.44 × 422,227.58 - Step 4: Simplify right side
1,132,390.22x = 716,967,941,784.63 - Step 5: Solve for x
x = 716,967,941,784.63/1,132,390.22 - Step 6: Final answer
x = 633,145.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.