Finding the Fourth Proportional to 1,270,421.19, 1,903,949.73 and 931,876.68
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Solution
The fourth proportional to 1,270,421.19, 1,903,949.73 and 931,876.68 is: 1,396,581.20
Step by Step Solution
- Step 1: Write the proportion equation
1,270,421.19 : 1,903,949.73 = 931,876.68 : x - Step 2: Convert to fraction form
1,270,421.19/1,903,949.73 = 931,876.68/x - Step 3: Cross multiply
1,270,421.19x = 1,903,949.73 × 931,876.68 - Step 4: Simplify right side
1,270,421.19x = 1,774,246,353,279.30 - Step 5: Solve for x
x = 1,774,246,353,279.30/1,270,421.19 - Step 6: Final answer
x = 1,396,581.20
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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.