Finding the Fourth Proportional to 1,174,063.76, 1,620,985.19 and 901,642.84
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Solution
The fourth proportional to 1,174,063.76, 1,620,985.19 and 901,642.84 is: 1,244,863.98
Step by Step Solution
- Step 1: Write the proportion equation
1,174,063.76 : 1,620,985.19 = 901,642.84 : x - Step 2: Convert to fraction form
1,174,063.76/1,620,985.19 = 901,642.84/x - Step 3: Cross multiply
1,174,063.76x = 1,620,985.19 × 901,642.84 - Step 4: Simplify right side
1,174,063.76x = 1,461,549,690,309.54 - Step 5: Solve for x
x = 1,461,549,690,309.54/1,174,063.76 - Step 6: Final answer
x = 1,244,863.98
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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.