Finding the Fourth Proportional to 1,242,188.97, 1,863,283.91 and 389,326.80
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Solution
The fourth proportional to 1,242,188.97, 1,863,283.91 and 389,326.80 is: 583,990.34
Step by Step Solution
- Step 1: Write the proportion equation
1,242,188.97 : 1,863,283.91 = 389,326.80 : x - Step 2: Convert to fraction form
1,242,188.97/1,863,283.91 = 389,326.80/x - Step 3: Cross multiply
1,242,188.97x = 1,863,283.91 × 389,326.80 - Step 4: Simplify right side
1,242,188.97x = 725,426,360,225.15 - Step 5: Solve for x
x = 725,426,360,225.15/1,242,188.97 - Step 6: Final answer
x = 583,990.34
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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.