Finding the Fourth Proportional to 1,190,750.16, 1,643,246.76 and 646,890.24
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Solution
The fourth proportional to 1,190,750.16, 1,643,246.76 and 646,890.24 is: 892,714.80
Step by Step Solution
- Step 1: Write the proportion equation
1,190,750.16 : 1,643,246.76 = 646,890.24 : x - Step 2: Convert to fraction form
1,190,750.16/1,643,246.76 = 646,890.24/x - Step 3: Cross multiply
1,190,750.16x = 1,643,246.76 × 646,890.24 - Step 4: Simplify right side
1,190,750.16x = 1,063,000,290,955.62 - Step 5: Solve for x
x = 1,063,000,290,955.62/1,190,750.16 - Step 6: Final answer
x = 892,714.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.