Finding the Fourth Proportional to 1,242,139.04, 1,863,602.40 and 443,403.44
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Solution
The fourth proportional to 1,242,139.04, 1,863,602.40 and 443,403.44 is: 665,245.75
Step by Step Solution
- Step 1: Write the proportion equation
1,242,139.04 : 1,863,602.40 = 443,403.44 : x - Step 2: Convert to fraction form
1,242,139.04/1,863,602.40 = 443,403.44/x - Step 3: Cross multiply
1,242,139.04x = 1,863,602.40 × 443,403.44 - Step 4: Simplify right side
1,242,139.04x = 826,327,714,952.26 - Step 5: Solve for x
x = 826,327,714,952.26/1,242,139.04 - Step 6: Final answer
x = 665,245.75
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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.