Finding the Fourth Proportional to 1,069,138.10, 1,475,348.58 and 585,619.07
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Solution
The fourth proportional to 1,069,138.10, 1,475,348.58 and 585,619.07 is: 808,120.35
Step by Step Solution
- Step 1: Write the proportion equation
1,069,138.10 : 1,475,348.58 = 585,619.07 : x - Step 2: Convert to fraction form
1,069,138.10/1,475,348.58 = 585,619.07/x - Step 3: Cross multiply
1,069,138.10x = 1,475,348.58 × 585,619.07 - Step 4: Simplify right side
1,069,138.10x = 863,992,255,968.68 - Step 5: Solve for x
x = 863,992,255,968.68/1,069,138.10 - Step 6: Final answer
x = 808,120.35
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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.