Finding the Fourth Proportional to 1,168,113.20, 1,748,670.60 and 694,554.80
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Solution
The fourth proportional to 1,168,113.20, 1,748,670.60 and 694,554.80 is: 1,039,751.59
Step by Step Solution
- Step 1: Write the proportion equation
1,168,113.20 : 1,748,670.60 = 694,554.80 : x - Step 2: Convert to fraction form
1,168,113.20/1,748,670.60 = 694,554.80/x - Step 3: Cross multiply
1,168,113.20x = 1,748,670.60 × 694,554.80 - Step 4: Simplify right side
1,168,113.20x = 1,214,547,558,848.88 - Step 5: Solve for x
x = 1,214,547,558,848.88/1,168,113.20 - Step 6: Final answer
x = 1,039,751.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.