Finding the Fourth Proportional to 1,143,594.14, 1,715,397.12 and 385,442.19
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Solution
The fourth proportional to 1,143,594.14, 1,715,397.12 and 385,442.19 is: 578,165.28
Step by Step Solution
- Step 1: Write the proportion equation
1,143,594.14 : 1,715,397.12 = 385,442.19 : x - Step 2: Convert to fraction form
1,143,594.14/1,715,397.12 = 385,442.19/x - Step 3: Cross multiply
1,143,594.14x = 1,715,397.12 × 385,442.19 - Step 4: Simplify right side
1,143,594.14x = 661,186,422,652.49 - Step 5: Solve for x
x = 661,186,422,652.49/1,143,594.14 - Step 6: Final answer
x = 578,165.28
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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.