Finding the Fourth Proportional to 1,184,645.52, 1,776,966.12 and 385,926.12
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Solution
The fourth proportional to 1,184,645.52, 1,776,966.12 and 385,926.12 is: 578,888.48
Step by Step Solution
- Step 1: Write the proportion equation
1,184,645.52 : 1,776,966.12 = 385,926.12 : x - Step 2: Convert to fraction form
1,184,645.52/1,776,966.12 = 385,926.12/x - Step 3: Cross multiply
1,184,645.52x = 1,776,966.12 × 385,926.12 - Step 4: Simplify right side
1,184,645.52x = 685,777,640,063.06 - Step 5: Solve for x
x = 685,777,640,063.06/1,184,645.52 - Step 6: Final answer
x = 578,888.48
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1.5x scale
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.