Finding the Fourth Proportional to 1,429,021.58, 1,972,041.99 and 784,452.74
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Solution
The fourth proportional to 1,429,021.58, 1,972,041.99 and 784,452.74 is: 1,082,540.50
Step by Step Solution
- Step 1: Write the proportion equation
1,429,021.58 : 1,972,041.99 = 784,452.74 : x - Step 2: Convert to fraction form
1,429,021.58/1,972,041.99 = 784,452.74/x - Step 3: Cross multiply
1,429,021.58x = 1,972,041.99 × 784,452.74 - Step 4: Simplify right side
1,429,021.58x = 1,546,973,732,590.34 - Step 5: Solve for x
x = 1,546,973,732,590.34/1,429,021.58 - Step 6: Final answer
x = 1,082,540.50
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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.