Finding the Fourth Proportional to 1,097,316.85, 1,646,115.49 and 423,590.92
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Solution
The fourth proportional to 1,097,316.85, 1,646,115.49 and 423,590.92 is: 635,440.50
Step by Step Solution
- Step 1: Write the proportion equation
1,097,316.85 : 1,646,115.49 = 423,590.92 : x - Step 2: Convert to fraction form
1,097,316.85/1,646,115.49 = 423,590.92/x - Step 3: Cross multiply
1,097,316.85x = 1,646,115.49 × 423,590.92 - Step 4: Simplify right side
1,097,316.85x = 697,279,570,058.20 - Step 5: Solve for x
x = 697,279,570,058.20/1,097,316.85 - Step 6: Final answer
x = 635,440.50
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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.