Finding the Fourth Proportional to 1,325,315.62, 1,828,887.53 and 809,931.75
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Solution
The fourth proportional to 1,325,315.62, 1,828,887.53 and 809,931.75 is: 1,117,676.47
Step by Step Solution
- Step 1: Write the proportion equation
1,325,315.62 : 1,828,887.53 = 809,931.75 : x - Step 2: Convert to fraction form
1,325,315.62/1,828,887.53 = 809,931.75/x - Step 3: Cross multiply
1,325,315.62x = 1,828,887.53 × 809,931.75 - Step 4: Simplify right side
1,325,315.62x = 1,481,274,077,726.08 - Step 5: Solve for x
x = 1,481,274,077,726.08/1,325,315.62 - Step 6: Final answer
x = 1,117,676.47
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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.