Finding the Fourth Proportional to 1,325,918.60, 1,829,719.28 and 810,535.68
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Solution
The fourth proportional to 1,325,918.60, 1,829,719.28 and 810,535.68 is: 1,118,509.66
Step by Step Solution
- Step 1: Write the proportion equation
1,325,918.60 : 1,829,719.28 = 810,535.68 : x - Step 2: Convert to fraction form
1,325,918.60/1,829,719.28 = 810,535.68/x - Step 3: Cross multiply
1,325,918.60x = 1,829,719.28 × 810,535.68 - Step 4: Simplify right side
1,325,918.60x = 1,483,052,760,823.91 - Step 5: Solve for x
x = 1,483,052,760,823.91/1,325,918.60 - Step 6: Final answer
x = 1,118,509.66
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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.