Finding the Fourth Proportional to 1,270,422.68, 1,903,951.98 and 931,878.18
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Solution
The fourth proportional to 1,270,422.68, 1,903,951.98 and 931,878.18 is: 1,396,583.47
Step by Step Solution
- Step 1: Write the proportion equation
1,270,422.68 : 1,903,951.98 = 931,878.18 : x - Step 2: Convert to fraction form
1,270,422.68/1,903,951.98 = 931,878.18/x - Step 3: Cross multiply
1,270,422.68x = 1,903,951.98 × 931,878.18 - Step 4: Simplify right side
1,270,422.68x = 1,774,251,305,929.80 - Step 5: Solve for x
x = 1,774,251,305,929.80/1,270,422.68 - Step 6: Final answer
x = 1,396,583.47
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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.