Finding the Fourth Proportional to 1,053,677.44, 1,578,919.64 and 697,415.14
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Solution
The fourth proportional to 1,053,677.44, 1,578,919.64 and 697,415.14 is: 1,045,065.99
Step by Step Solution
- Step 1: Write the proportion equation
1,053,677.44 : 1,578,919.64 = 697,415.14 : x - Step 2: Convert to fraction form
1,053,677.44/1,578,919.64 = 697,415.14/x - Step 3: Cross multiply
1,053,677.44x = 1,578,919.64 × 697,415.14 - Step 4: Simplify right side
1,053,677.44x = 1,101,162,461,779.35 - Step 5: Solve for x
x = 1,101,162,461,779.35/1,053,677.44 - Step 6: Final answer
x = 1,045,065.99
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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.