Finding the Fourth Proportional to 1,105,710.99, 1,658,565.09 and 347,618.63
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Solution
The fourth proportional to 1,105,710.99, 1,658,565.09 and 347,618.63 is: 521,427.50
Step by Step Solution
- Step 1: Write the proportion equation
1,105,710.99 : 1,658,565.09 = 347,618.63 : x - Step 2: Convert to fraction form
1,105,710.99/1,658,565.09 = 347,618.63/x - Step 3: Cross multiply
1,105,710.99x = 1,658,565.09 × 347,618.63 - Step 4: Simplify right side
1,105,710.99x = 576,548,116,058.80 - Step 5: Solve for x
x = 576,548,116,058.80/1,105,710.99 - Step 6: Final answer
x = 521,427.50
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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.