Finding the Fourth Proportional to 1,067,731.08, 1,473,368.58 and 722,865.48
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Solution
The fourth proportional to 1,067,731.08, 1,473,368.58 and 722,865.48 is: 997,486.45
Step by Step Solution
- Step 1: Write the proportion equation
1,067,731.08 : 1,473,368.58 = 722,865.48 : x - Step 2: Convert to fraction form
1,067,731.08/1,473,368.58 = 722,865.48/x - Step 3: Cross multiply
1,067,731.08x = 1,473,368.58 × 722,865.48 - Step 4: Simplify right side
1,067,731.08x = 1,065,047,285,798.62 - Step 5: Solve for x
x = 1,065,047,285,798.62/1,067,731.08 - Step 6: Final answer
x = 997,486.45
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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.