Finding the Fourth Proportional to 1,069,005.12, 1,475,164.08 and 585,474
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Solution
The fourth proportional to 1,069,005.12, 1,475,164.08 and 585,474 is: 807,919.62
Step by Step Solution
- Step 1: Write the proportion equation
1,069,005.12 : 1,475,164.08 = 585,474 : x - Step 2: Convert to fraction form
1,069,005.12/1,475,164.08 = 585,474/x - Step 3: Cross multiply
1,069,005.12x = 1,475,164.08 × 585,474 - Step 4: Simplify right side
1,069,005.12x = 863,670,214,573.92 - Step 5: Solve for x
x = 863,670,214,573.92/1,069,005.12 - Step 6: Final answer
x = 807,919.62
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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.