Finding the Fourth Proportional to 1,258,106.99, 1,885,585.64 and 990,811.85
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Solution
The fourth proportional to 1,258,106.99, 1,885,585.64 and 990,811.85 is: 1,484,977.51
Step by Step Solution
- Step 1: Write the proportion equation
1,258,106.99 : 1,885,585.64 = 990,811.85 : x - Step 2: Convert to fraction form
1,258,106.99/1,885,585.64 = 990,811.85/x - Step 3: Cross multiply
1,258,106.99x = 1,885,585.64 × 990,811.85 - Step 4: Simplify right side
1,258,106.99x = 1,868,260,581,919.85 - Step 5: Solve for x
x = 1,868,260,581,919.85/1,258,106.99 - Step 6: Final answer
x = 1,484,977.51
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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.