Finding the Fourth Proportional to 1,279,033.94, 1,765,070.66 and 698,257.98
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Solution
The fourth proportional to 1,279,033.94, 1,765,070.66 and 698,257.98 is: 963,598.10
Step by Step Solution
- Step 1: Write the proportion equation
1,279,033.94 : 1,765,070.66 = 698,257.98 : x - Step 2: Convert to fraction form
1,279,033.94/1,765,070.66 = 698,257.98/x - Step 3: Cross multiply
1,279,033.94x = 1,765,070.66 × 698,257.98 - Step 4: Simplify right side
1,279,033.94x = 1,232,474,670,117.58 - Step 5: Solve for x
x = 1,232,474,670,117.58/1,279,033.94 - Step 6: Final answer
x = 963,598.10
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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.