Finding the Fourth Proportional to 1,122,502.82, 1,684,418.52 and 413,029.08
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Solution
The fourth proportional to 1,122,502.82, 1,684,418.52 and 413,029.08 is: 619,788.05
Step by Step Solution
- Step 1: Write the proportion equation
1,122,502.82 : 1,684,418.52 = 413,029.08 : x - Step 2: Convert to fraction form
1,122,502.82/1,684,418.52 = 413,029.08/x - Step 3: Cross multiply
1,122,502.82x = 1,684,418.52 × 413,029.08 - Step 4: Simplify right side
1,122,502.82x = 695,713,831,650.56 - Step 5: Solve for x
x = 695,713,831,650.56/1,122,502.82 - Step 6: Final answer
x = 619,788.05
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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.