Finding the Fourth Proportional to 1,349,250.94, 1,861,963.16 and 768,473.95
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Solution
The fourth proportional to 1,349,250.94, 1,861,963.16 and 768,473.95 is: 1,060,492.26
Step by Step Solution
- Step 1: Write the proportion equation
1,349,250.94 : 1,861,963.16 = 768,473.95 : x - Step 2: Convert to fraction form
1,349,250.94/1,861,963.16 = 768,473.95/x - Step 3: Cross multiply
1,349,250.94x = 1,861,963.16 × 768,473.95 - Step 4: Simplify right side
1,349,250.94x = 1,430,870,184,319.68 - Step 5: Solve for x
x = 1,430,870,184,319.68/1,349,250.94 - Step 6: Final answer
x = 1,060,492.26
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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.