Finding the Fourth Proportional to 1,218,621.60, 1,828,247.76 and 713,609.28
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Solution
The fourth proportional to 1,218,621.60, 1,828,247.76 and 713,609.28 is: 1,070,598.59
Step by Step Solution
- Step 1: Write the proportion equation
1,218,621.60 : 1,828,247.76 = 713,609.28 : x - Step 2: Convert to fraction form
1,218,621.60/1,828,247.76 = 713,609.28/x - Step 3: Cross multiply
1,218,621.60x = 1,828,247.76 × 713,609.28 - Step 4: Simplify right side
1,218,621.60x = 1,304,654,567,675.21 - Step 5: Solve for x
x = 1,304,654,567,675.21/1,218,621.60 - Step 6: Final answer
x = 1,070,598.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.