Finding the Fourth Proportional to 1,127,090.44, 1,690,472.14 and 368,961.94
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Solution
The fourth proportional to 1,127,090.44, 1,690,472.14 and 368,961.94 is: 553,389.37
Step by Step Solution
- Step 1: Write the proportion equation
1,127,090.44 : 1,690,472.14 = 368,961.94 : x - Step 2: Convert to fraction form
1,127,090.44/1,690,472.14 = 368,961.94/x - Step 3: Cross multiply
1,127,090.44x = 1,690,472.14 × 368,961.94 - Step 4: Simplify right side
1,127,090.44x = 623,719,870,915.59 - Step 5: Solve for x
x = 623,719,870,915.59/1,127,090.44 - Step 6: Final answer
x = 553,389.37
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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.