Finding the Fourth Proportional to 1,057,479.66, 1,585,883.61 and 347,342.40
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Solution
The fourth proportional to 1,057,479.66, 1,585,883.61 and 347,342.40 is: 520,903.28
Step by Step Solution
- Step 1: Write the proportion equation
1,057,479.66 : 1,585,883.61 = 347,342.40 : x - Step 2: Convert to fraction form
1,057,479.66/1,585,883.61 = 347,342.40/x - Step 3: Cross multiply
1,057,479.66x = 1,585,883.61 × 347,342.40 - Step 4: Simplify right side
1,057,479.66x = 550,844,619,218.06 - Step 5: Solve for x
x = 550,844,619,218.06/1,057,479.66 - Step 6: Final answer
x = 520,903.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.