Finding the Fourth Proportional to 1,135,537.47, 1,566,772.29 and 645,468.44
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Solution
The fourth proportional to 1,135,537.47, 1,566,772.29 and 645,468.44 is: 890,593.30
Step by Step Solution
- Step 1: Write the proportion equation
1,135,537.47 : 1,566,772.29 = 645,468.44 : x - Step 2: Convert to fraction form
1,135,537.47/1,566,772.29 = 645,468.44/x - Step 3: Cross multiply
1,135,537.47x = 1,566,772.29 × 645,468.44 - Step 4: Simplify right side
1,135,537.47x = 1,011,302,058,027.67 - Step 5: Solve for x
x = 1,011,302,058,027.67/1,135,537.47 - Step 6: Final answer
x = 890,593.30
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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.