Finding the Fourth Proportional to 1,175,062.96, 1,621,597.16 and 638,518.96
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Solution
The fourth proportional to 1,175,062.96, 1,621,597.16 and 638,518.96 is: 881,161.75
Step by Step Solution
- Step 1: Write the proportion equation
1,175,062.96 : 1,621,597.16 = 638,518.96 : x - Step 2: Convert to fraction form
1,175,062.96/1,621,597.16 = 638,518.96/x - Step 3: Cross multiply
1,175,062.96x = 1,621,597.16 × 638,518.96 - Step 4: Simplify right side
1,175,062.96x = 1,035,420,532,142.15 - Step 5: Solve for x
x = 1,035,420,532,142.15/1,175,062.96 - Step 6: Final answer
x = 881,161.75
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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.