Finding the Fourth Proportional to 1,252,742.68, 1,878,877.86 and 354,177.28
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Solution
The fourth proportional to 1,252,742.68, 1,878,877.86 and 354,177.28 is: 531,199.15
Step by Step Solution
- Step 1: Write the proportion equation
1,252,742.68 : 1,878,877.86 = 354,177.28 : x - Step 2: Convert to fraction form
1,252,742.68/1,878,877.86 = 354,177.28/x - Step 3: Cross multiply
1,252,742.68x = 1,878,877.86 × 354,177.28 - Step 4: Simplify right side
1,252,742.68x = 665,455,849,907.02 - Step 5: Solve for x
x = 665,455,849,907.02/1,252,742.68 - Step 6: Final answer
x = 531,199.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.