Finding the Fourth Proportional to 995,209.88, 1,372,544.52 and 840,917.12
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Solution
The fourth proportional to 995,209.88, 1,372,544.52 and 840,917.12 is: 1,159,751.53
Step by Step Solution
- Step 1: Write the proportion equation
995,209.88 : 1,372,544.52 = 840,917.12 : x - Step 2: Convert to fraction form
995,209.88/1,372,544.52 = 840,917.12/x - Step 3: Cross multiply
995,209.88x = 1,372,544.52 × 840,917.12 - Step 4: Simplify right side
995,209.88x = 1,154,196,184,830.18 - Step 5: Solve for x
x = 1,154,196,184,830.18/995,209.88 - Step 6: Final answer
x = 1,159,751.53
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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.