Finding the Fourth Proportional to 1,057,779.90, 1,459,737.99 and 574,345.98
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Solution
The fourth proportional to 1,057,779.90, 1,459,737.99 and 574,345.98 is: 792,598.39
Step by Step Solution
- Step 1: Write the proportion equation
1,057,779.90 : 1,459,737.99 = 574,345.98 : x - Step 2: Convert to fraction form
1,057,779.90/1,459,737.99 = 574,345.98/x - Step 3: Cross multiply
1,057,779.90x = 1,459,737.99 × 574,345.98 - Step 4: Simplify right side
1,057,779.90x = 838,394,646,409.78 - Step 5: Solve for x
x = 838,394,646,409.78/1,057,779.90 - Step 6: Final answer
x = 792,598.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.