Finding the Fourth Proportional to 1,067,482.53, 1,472,980.35 and 637,671.42
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Solution
The fourth proportional to 1,067,482.53, 1,472,980.35 and 637,671.42 is: 879,899.62
Step by Step Solution
- Step 1: Write the proportion equation
1,067,482.53 : 1,472,980.35 = 637,671.42 : x - Step 2: Convert to fraction form
1,067,482.53/1,472,980.35 = 637,671.42/x - Step 3: Cross multiply
1,067,482.53x = 1,472,980.35 × 637,671.42 - Step 4: Simplify right side
1,067,482.53x = 939,277,471,416.60 - Step 5: Solve for x
x = 939,277,471,416.60/1,067,482.53 - Step 6: Final answer
x = 879,899.62
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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.