Finding the Fourth Proportional to 1,051,954.83, 1,451,355.84 and 643,631.00
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Solution
The fourth proportional to 1,051,954.83, 1,451,355.84 and 643,631.00 is: 888,001.63
Step by Step Solution
- Step 1: Write the proportion equation
1,051,954.83 : 1,451,355.84 = 643,631.00 : x - Step 2: Convert to fraction form
1,051,954.83/1,451,355.84 = 643,631.00/x - Step 3: Cross multiply
1,051,954.83x = 1,451,355.84 × 643,631.00 - Step 4: Simplify right side
1,051,954.83x = 934,137,603,398.26 - Step 5: Solve for x
x = 934,137,603,398.26/1,051,954.83 - Step 6: Final answer
x = 888,001.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.