Finding the Fourth Proportional to 1,248,775.68, 1,721,873.84 and 922,560.68
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Solution
The fourth proportional to 1,248,775.68, 1,721,873.84 and 922,560.68 is: 1,272,072.42
Step by Step Solution
- Step 1: Write the proportion equation
1,248,775.68 : 1,721,873.84 = 922,560.68 : x - Step 2: Convert to fraction form
1,248,775.68/1,721,873.84 = 922,560.68/x - Step 3: Cross multiply
1,248,775.68x = 1,721,873.84 × 922,560.68 - Step 4: Simplify right side
1,248,775.68x = 1,588,533,100,704.61 - Step 5: Solve for x
x = 1,588,533,100,704.61/1,248,775.68 - Step 6: Final answer
x = 1,272,072.42
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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.