Finding the Fourth Proportional to 1,292,697.09, 1,938,734.15 and 572,640.66
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Solution
The fourth proportional to 1,292,697.09, 1,938,734.15 and 572,640.66 is: 858,823.02
Step by Step Solution
- Step 1: Write the proportion equation
1,292,697.09 : 1,938,734.15 = 572,640.66 : x - Step 2: Convert to fraction form
1,292,697.09/1,938,734.15 = 572,640.66/x - Step 3: Cross multiply
1,292,697.09x = 1,938,734.15 × 572,640.66 - Step 4: Simplify right side
1,292,697.09x = 1,110,198,009,836.38 - Step 5: Solve for x
x = 1,110,198,009,836.38/1,292,697.09 - Step 6: Final answer
x = 858,823.02
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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.