Finding the Fourth Proportional to 1,279,235.59, 1,765,347.74 and 706,276.87
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Solution
The fourth proportional to 1,279,235.59, 1,765,347.74 and 706,276.87 is: 974,663.53
Step by Step Solution
- Step 1: Write the proportion equation
1,279,235.59 : 1,765,347.74 = 706,276.87 : x - Step 2: Convert to fraction form
1,279,235.59/1,765,347.74 = 706,276.87/x - Step 3: Cross multiply
1,279,235.59x = 1,765,347.74 × 706,276.87 - Step 4: Simplify right side
1,279,235.59x = 1,246,824,276,268.77 - Step 5: Solve for x
x = 1,246,824,276,268.77/1,279,235.59 - Step 6: Final answer
x = 974,663.53
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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.