Finding the Fourth Proportional to 1,178,977.84, 1,768,904.65 and 818,958.99
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Solution
The fourth proportional to 1,178,977.84, 1,768,904.65 and 818,958.99 is: 1,228,742.66
Step by Step Solution
- Step 1: Write the proportion equation
1,178,977.84 : 1,768,904.65 = 818,958.99 : x - Step 2: Convert to fraction form
1,178,977.84/1,768,904.65 = 818,958.99/x - Step 3: Cross multiply
1,178,977.84x = 1,768,904.65 × 818,958.99 - Step 4: Simplify right side
1,178,977.84x = 1,448,660,363,522.91 - Step 5: Solve for x
x = 1,448,660,363,522.91/1,178,977.84 - Step 6: Final answer
x = 1,228,742.66
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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.