Finding the Fourth Proportional to 1,149,873.90, 1,575,332.88 and 1,106,777.00
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Solution
The fourth proportional to 1,149,873.90, 1,575,332.88 and 1,106,777.00 is: 1,516,289.91
Step by Step Solution
- Step 1: Write the proportion equation
1,149,873.90 : 1,575,332.88 = 1,106,777.00 : x - Step 2: Convert to fraction form
1,149,873.90/1,575,332.88 = 1,106,777.00/x - Step 3: Cross multiply
1,149,873.90x = 1,575,332.88 × 1,106,777.00 - Step 4: Simplify right side
1,149,873.90x = 1,743,542,191,051.10 - Step 5: Solve for x
x = 1,743,542,191,051.10/1,149,873.90 - Step 6: Final answer
x = 1,516,289.91
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.