Finding the Fourth Proportional to 1,181,495.99, 1,630,249.40 and 665,169.59
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Solution
The fourth proportional to 1,181,495.99, 1,630,249.40 and 665,169.59 is: 917,812.95
Step by Step Solution
- Step 1: Write the proportion equation
1,181,495.99 : 1,630,249.40 = 665,169.59 : x - Step 2: Convert to fraction form
1,181,495.99/1,630,249.40 = 665,169.59/x - Step 3: Cross multiply
1,181,495.99x = 1,630,249.40 × 665,169.59 - Step 4: Simplify right side
1,181,495.99x = 1,084,392,321,669.90 - Step 5: Solve for x
x = 1,084,392,321,669.90/1,181,495.99 - Step 6: Final answer
x = 917,812.95
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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.