Finding the Fourth Proportional to 1,558,579.86, 2,335,803.08 and 800,390.70
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Solution
The fourth proportional to 1,558,579.86, 2,335,803.08 and 800,390.70 is: 1,199,524.71
Step by Step Solution
- Step 1: Write the proportion equation
1,558,579.86 : 2,335,803.08 = 800,390.70 : x - Step 2: Convert to fraction form
1,558,579.86/2,335,803.08 = 800,390.70/x - Step 3: Cross multiply
1,558,579.86x = 2,335,803.08 × 800,390.70 - Step 4: Simplify right side
1,558,579.86x = 1,869,555,058,261.40 - Step 5: Solve for x
x = 1,869,555,058,261.40/1,558,579.86 - Step 6: Final answer
x = 1,199,524.71
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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.