Finding the Fourth Proportional to 1,252,415.08, 1,728,279.75 and 708,560.14
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Solution
The fourth proportional to 1,252,415.08, 1,728,279.75 and 708,560.14 is: 977,782.97
Step by Step Solution
- Step 1: Write the proportion equation
1,252,415.08 : 1,728,279.75 = 708,560.14 : x - Step 2: Convert to fraction form
1,252,415.08/1,728,279.75 = 708,560.14/x - Step 3: Cross multiply
1,252,415.08x = 1,728,279.75 × 708,560.14 - Step 4: Simplify right side
1,252,415.08x = 1,224,590,141,619.17 - Step 5: Solve for x
x = 1,224,590,141,619.17/1,252,415.08 - Step 6: Final answer
x = 977,782.97
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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.