Finding the Fourth Proportional to 1,120,429.08, 1,679,856.36 and 410,364.84
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Solution
The fourth proportional to 1,120,429.08, 1,679,856.36 and 410,364.84 is: 615,258.92
Step by Step Solution
- Step 1: Write the proportion equation
1,120,429.08 : 1,679,856.36 = 410,364.84 : x - Step 2: Convert to fraction form
1,120,429.08/1,679,856.36 = 410,364.84/x - Step 3: Cross multiply
1,120,429.08x = 1,679,856.36 × 410,364.84 - Step 4: Simplify right side
1,120,429.08x = 689,353,986,394.38 - Step 5: Solve for x
x = 689,353,986,394.38/1,120,429.08 - Step 6: Final answer
x = 615,258.92
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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.