Finding the Fourth Proportional to 1,190,244.32, 1,641,811.92 and 706,482.08
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Solution
The fourth proportional to 1,190,244.32, 1,641,811.92 and 706,482.08 is: 974,514.80
Step by Step Solution
- Step 1: Write the proportion equation
1,190,244.32 : 1,641,811.92 = 706,482.08 : x - Step 2: Convert to fraction form
1,190,244.32/1,641,811.92 = 706,482.08/x - Step 3: Cross multiply
1,190,244.32x = 1,641,811.92 × 706,482.08 - Step 4: Simplify right side
1,190,244.32x = 1,159,910,700,210.39 - Step 5: Solve for x
x = 1,159,910,700,210.39/1,190,244.32 - Step 6: Final answer
x = 974,514.80
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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.