Finding the Fourth Proportional to 1,299,453.97, 1,793,155.44 and 755,551.17
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Solution
The fourth proportional to 1,299,453.97, 1,793,155.44 and 755,551.17 is: 1,042,607.68
Step by Step Solution
- Step 1: Write the proportion equation
1,299,453.97 : 1,793,155.44 = 755,551.17 : x - Step 2: Convert to fraction form
1,299,453.97/1,793,155.44 = 755,551.17/x - Step 3: Cross multiply
1,299,453.97x = 1,793,155.44 × 755,551.17 - Step 4: Simplify right side
1,299,453.97x = 1,354,820,690,683.86 - Step 5: Solve for x
x = 1,354,820,690,683.86/1,299,453.97 - Step 6: Final answer
x = 1,042,607.68
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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.