Finding the Fourth Proportional to 1,149,726.37, 1,725,327.44 and 771,074.53
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Solution
The fourth proportional to 1,149,726.37, 1,725,327.44 and 771,074.53 is: 1,157,106.66
Step by Step Solution
- Step 1: Write the proportion equation
1,149,726.37 : 1,725,327.44 = 771,074.53 : x - Step 2: Convert to fraction form
1,149,726.37/1,725,327.44 = 771,074.53/x - Step 3: Cross multiply
1,149,726.37x = 1,725,327.44 × 771,074.53 - Step 4: Simplify right side
1,149,726.37x = 1,330,356,044,894.10 - Step 5: Solve for x
x = 1,330,356,044,894.10/1,149,726.37 - Step 6: Final answer
x = 1,157,106.66
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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.