Finding the Fourth Proportional to 1,403,228.99, 2,104,814.32 and 561,554.75
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Solution
The fourth proportional to 1,403,228.99, 2,104,814.32 and 561,554.75 is: 842,320.45
Step by Step Solution
- Step 1: Write the proportion equation
1,403,228.99 : 2,104,814.32 = 561,554.75 : x - Step 2: Convert to fraction form
1,403,228.99/2,104,814.32 = 561,554.75/x - Step 3: Cross multiply
1,403,228.99x = 2,104,814.32 × 561,554.75 - Step 4: Simplify right side
1,403,228.99x = 1,181,968,479,264.02 - Step 5: Solve for x
x = 1,181,968,479,264.02/1,403,228.99 - Step 6: Final answer
x = 842,320.45
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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.