Finding the Fourth Proportional to 1,062,139.12, 1,465,768.77 and 578,704.08
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Solution
The fourth proportional to 1,062,139.12, 1,465,768.77 and 578,704.08 is: 798,620.78
Step by Step Solution
- Step 1: Write the proportion equation
1,062,139.12 : 1,465,768.77 = 578,704.08 : x - Step 2: Convert to fraction form
1,062,139.12/1,465,768.77 = 578,704.08/x - Step 3: Cross multiply
1,062,139.12x = 1,465,768.77 × 578,704.08 - Step 4: Simplify right side
1,062,139.12x = 848,246,367,535.58 - Step 5: Solve for x
x = 848,246,367,535.58/1,062,139.12 - Step 6: Final answer
x = 798,620.78
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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.